137650137525 has 36 divisors (see below), whose sum is σ = 247197362880. Its totient is φ = 73219658400.

The previous prime is 137650137503. The next prime is 137650137587. The reversal of 137650137525 is 525731056731.

137650137525 is a `hidden beast` number, since 1 + 3 + 76 + 50 + 1 + 3 + 7 + 525 = 666.

It is not a de Polignac number, because 137650137525 - 2⁹ = 137650137013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 721821 + ... + 892370.

Almost surely, 2^137650137525 is an apocalyptic number.

137650137525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137650137525 is a deficient number, since it is larger than the sum of its proper divisors (109547225355).

137650137525 is a wasteful number, since it uses less digits than its factorization.

137650137525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614586 (or 1614578 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The spelling of 137650137525 in words is "one hundred thirty-seven billion, six hundred fifty million, one hundred thirty-seven thousand, five hundred twenty-five".