136662025 has 12 divisors (see below), whose sum is σ = 170413200. Its totient is φ = 108715280.

The previous prime is 136662023. The next prime is 136662047. The reversal of 136662025 is 520266631.

It is not a de Polignac number, because 136662025 - 2¹ = 136662023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136662023) 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, 10795 + ... + 19744.

It is an arithmetic number, because the mean of its divisors is an integer number (14201100).

Almost surely, 2^136662025 is an apocalyptic number.

It is an amenable number.

136662025 is a deficient number, since it is larger than the sum of its proper divisors (33751175).

136662025 is a wasteful number, since it uses less digits than its factorization.

136662025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30728 (or 30723 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 136662025 is about 11690.2534189811. The cubic root of 136662025 is about 515.0894054100.

The spelling of 136662025 in words is "one hundred thirty-six million, six hundred sixty-two thousand, twenty-five".