137725340102581 has 12 divisors (see below), whose sum is σ = 173010344592736. Its totient is φ = 107318446832520.

The previous prime is 137725340102549. The next prime is 137725340102621. The reversal of 137725340102581 is 185201043527731.

It is not a de Polignac number, because 137725340102581 - 2⁵ = 137725340102549 is a prime.

It is a super-2 number, since 2×137725340102581² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137725340102531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81301852815 + ... + 81301854508.

Almost surely, 2^{137725340102581} is an apocalyptic number.

137725340102581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

137725340102581 is a deficient number, since it is larger than the sum of its proper divisors (35285004490155).

137725340102581 is a wasteful number, since it uses less digits than its factorization.

137725340102581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162603707352 (or 162603707341 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 137725340102581 in words is "one hundred thirty-seven trillion, seven hundred twenty-five billion, three hundred forty million, one hundred two thousand, five hundred eighty-one".