137247002525 has 12 divisors (see below), whose sum is σ = 172517604372. Its totient is φ = 108293523840.

The previous prime is 137247002467. The next prime is 137247002527. The reversal of 137247002525 is 525200742731.

It can be written as a sum of positive squares in 6 ways, for example, as 1538757529 + 135708244996 = 39227^2 + 368386^2 .

It is not a de Polignac number, because 137247002525 - 2⁶ = 137247002461 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 (137247002527) 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, 37600094 + ... + 37603743.

It is an arithmetic number, because the mean of its divisors is an integer number (14376467031).

Almost surely, 2^137247002525 is an apocalyptic number.

It is an amenable number.

137247002525 is a deficient number, since it is larger than the sum of its proper divisors (35270601847).

137247002525 is an equidigital number, since it uses as much as digits as its factorization.

137247002525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75203920 (or 75203915 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 137247002525 in words is "one hundred thirty-seven billion, two hundred forty-seven million, two thousand, five hundred twenty-five".