136969500025 has 6 divisors (see below), whose sum is σ = 169842180062. Its totient is φ = 109575600000.

The previous prime is 136969500001. The next prime is 136969500043. The reversal of 136969500025 is 520005969631.

It can be written as a sum of positive squares in 3 ways, for example, as 4372281 + 136965127744 = 2091^2 + 370088^2 .

It is not a de Polignac number, because 136969500025 - 2⁵ = 136969499993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2739389976 + ... + 2739390025.

Almost surely, 2^136969500025 is an apocalyptic number.

It is an amenable number.

136969500025 is a deficient number, since it is larger than the sum of its proper divisors (32872680037).

136969500025 is an equidigital number, since it uses as much as digits as its factorization.

136969500025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478780011 (or 5478780006 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 136969500025 in words is "one hundred thirty-six billion, nine hundred sixty-nine million, five hundred thousand, twenty-five".