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139407359 = 7136012549
BaseRepresentation
bin10000100111100…
…10111111111111
3100201022121221112
420103302333333
5241142013414
621455552235
73311641310
oct1023627777
9321277845
10139407359
11717678a3
123a82b67b
1322b60680
141472c607
15c38ad3e
hex84f2fff

139407359 has 16 divisors (see below), whose sum is σ = 171931200. Its totient is φ = 110073600.

The previous prime is 139407353. The next prime is 139407377. The reversal of 139407359 is 953704931.

It is a de Polignac number, because none of the positive numbers 2k-139407359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139407353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53417 + ... + 55965.

It is an arithmetic number, because the mean of its divisors is an integer number (10745700).

Almost surely, 2139407359 is an apocalyptic number.

139407359 is a deficient number, since it is larger than the sum of its proper divisors (32523841).

139407359 is a wasteful number, since it uses less digits than its factorization.

139407359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 139407359 is about 11807.0893534351. The cubic root of 139407359 is about 518.5156870088.

The spelling of 139407359 in words is "one hundred thirty-nine million, four hundred seven thousand, three hundred fifty-nine".

Divisors: 1 7 13 91 601 2549 4207 7813 17843 33137 54691 231959 1531949 10723643 19915337 139407359