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139053140 = 22541672531
BaseRepresentation
bin10000100100111…
…00100001010100
3100200122122001022
420102130201110
5241044200030
621444220312
73305634512
oct1022344124
9320578038
10139053140
1171545756
123a69a698
1322a68385
14146794b2
15c31ade5
hex849c854

139053140 has 48 divisors (see below), whose sum is σ = 303718464. Its totient is φ = 53433600.

The previous prime is 139053139. The next prime is 139053143. The reversal of 139053140 is 41350931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139053143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53675 + ... + 56205.

It is an arithmetic number, because the mean of its divisors is an integer number (6327468).

Almost surely, 2139053140 is an apocalyptic number.

139053140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139053140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151859232).

139053140 is an abundant number, since it is smaller than the sum of its proper divisors (164665324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139053140 is a wasteful number, since it uses less digits than its factorization.

139053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 139053140 is about 11792.0795451863. The cubic root of 139053140 is about 518.0761504600.

The spelling of 139053140 in words is "one hundred thirty-nine million, fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 67 82 134 164 205 268 335 410 670 820 1340 2531 2747 5062 5494 10124 10988 12655 13735 25310 27470 50620 54940 103771 169577 207542 339154 415084 518855 678308 847885 1037710 1695770 2075420 3391540 6952657 13905314 27810628 34763285 69526570 139053140