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BaseRepresentation
bin10000100101011…
…11010100000000
3100200210112122010
420102233110000
5241104130422
621450012520
73306405102
oct1022572400
9320715563
10139130112
1171598570
123a717140
1322a94414
1414699572
15c333b0c
hex84af500

139130112 has 144 divisors (see below), whose sum is σ = 414425088. Its totient is φ = 41072640.

The previous prime is 139130099. The next prime is 139130137. The reversal of 139130112 is 211031931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363073 + ... + 363455.

It is an arithmetic number, because the mean of its divisors is an integer number (2877952).

Almost surely, 2139130112 is an apocalyptic number.

139130112 is a gapful number since it is divisible by the number (12) 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 139130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207212544).

139130112 is an abundant number, since it is smaller than the sum of its proper divisors (275294976).

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

139130112 is a wasteful number, since it uses less digits than its factorization.

139130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 139130112 is about 11795.3428097703. The cubic root of 139130112 is about 518.1717254365.

The spelling of 139130112 in words is "one hundred thirty-nine million, one hundred thirty thousand, one hundred twelve".