136251425 has 24 divisors (see below), whose sum is σ = 182399040. Its totient is φ = 100654400.

The previous prime is 136251421. The next prime is 136251457. The reversal of 136251425 is 524152631.

It is not a de Polignac number, because 136251425 - 2² = 136251421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (136251421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12590 + ... + 20760.

It is an arithmetic number, because the mean of its divisors is an integer number (7599960).

Almost surely, 2^136251425 is an apocalyptic number.

It is an amenable number.

136251425 is a deficient number, since it is larger than the sum of its proper divisors (46147615).

136251425 is a wasteful number, since it uses less digits than its factorization.

136251425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233 (or 8228 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 136251425 is about 11672.6785700627. The cubic root of 136251425 is about 514.5730271976.

The spelling of 136251425 in words is "one hundred thirty-six million, two hundred fifty-one thousand, four hundred twenty-five".