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137934725 = 5261151599
BaseRepresentation
bin10000011100010…
…11011110000101
3100121112210212112
420032023132011
5240302402400
621404230405
73263266025
oct1016133605
9317483775
10137934725
1170951445
123a23b405
13227662a6
1414467a85
15c199835
hex838b785

137934725 has 24 divisors (see below), whose sum is σ = 175286400. Its totient is φ = 107640000.

The previous prime is 137934683. The next prime is 137934733. The reversal of 137934725 is 527439731.

It is not a de Polignac number, because 137934725 - 210 = 137933701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229976 + ... + 230574.

It is an arithmetic number, because the mean of its divisors is an integer number (7303600).

Almost surely, 2137934725 is an apocalyptic number.

It is an amenable number.

137934725 is a deficient number, since it is larger than the sum of its proper divisors (37351675).

137934725 is a wasteful number, since it uses less digits than its factorization.

137934725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its digits is 158760, while the sum is 41.

The square root of 137934725 is about 11744.5615073531. The cubic root of 137934725 is about 516.6834345350.

The spelling of 137934725 in words is "one hundred thirty-seven million, nine hundred thirty-four thousand, seven hundred twenty-five".

Divisors: 1 5 25 61 151 305 599 755 1525 2995 3775 9211 14975 36539 46055 90449 182695 230275 452245 913475 2261225 5517389 27586945 137934725