137512501765 has 16 divisors (see below), whose sum is σ = 169670991600. Its totient is φ = 106944095232.

The previous prime is 137512501759. The next prime is 137512501783. The reversal of 137512501765 is 567105215731.

It can be written as a sum of positive squares in 8 ways, for example, as 1098988801 + 136413512964 = 33151^2 + 369342^2 .

It is a cyclic number.

It is not a de Polignac number, because 137512501765 - 2³ = 137512501757 is a prime.

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, 2351460 + ... + 2409229.

It is an arithmetic number, because the mean of its divisors is an integer number (10604436975).

Almost surely, 2^137512501765 is an apocalyptic number.

It is an amenable number.

137512501765 is a deficient number, since it is larger than the sum of its proper divisors (32158489835).

137512501765 is a wasteful number, since it uses less digits than its factorization.

137512501765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760856.

The product of its (nonzero) digits is 220500, while the sum is 43.

The spelling of 137512501765 in words is "one hundred thirty-seven billion, five hundred twelve million, five hundred one thousand, seven hundred sixty-five".