136616025 has 96 divisors (see below), whose sum is σ = 286037248. Its totient is φ = 55987200.

The previous prime is 136615957. The next prime is 136616041. The reversal of 136616025 is 520616631.

It is not a de Polignac number, because 136616025 - 2⁹ = 136615513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136615983 and 136616001.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 252255 + ... + 252795.

Almost surely, 2^136616025 is an apocalyptic number.

136616025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136616025 is an abundant number, since it is smaller than the sum of its proper divisors (149421223).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136616025 is a wasteful number, since it uses less digits than its factorization.

136616025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 136616025 is about 11688.2858024605. The cubic root of 136616025 is about 515.0316064430.

It can be divided in two parts, 1366 and 16025, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 136616025 in words is "one hundred thirty-six million, six hundred sixteen thousand, twenty-five".