137751377525 has 12 divisors (see below), whose sum is σ = 172502916324. Its totient is φ = 109110000000.

The previous prime is 137751377497. The next prime is 137751377527. The reversal of 137751377525 is 525773157731.

It can be written as a sum of positive squares in 6 ways, for example, as 32018449969 + 105732927556 = 178937^2 + 325166^2 .

It is not a de Polignac number, because 137751377525 - 2¹⁰ = 137751376501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137751377527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27274976 + ... + 27280025.

It is an arithmetic number, because the mean of its divisors is an integer number (14375243027).

Almost surely, 2^137751377525 is an apocalyptic number.

It is an amenable number.

137751377525 is a deficient number, since it is larger than the sum of its proper divisors (34751538799).

137751377525 is a wasteful number, since it uses less digits than its factorization.

137751377525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54555112 (or 54555107 counting only the distinct ones).

The product of its digits is 5402250, while the sum is 53.

The spelling of 137751377525 in words is "one hundred thirty-seven billion, seven hundred fifty-one million, three hundred seventy-seven thousand, five hundred twenty-five".