136261630 has 16 divisors (see below), whose sum is σ = 259698960. Its totient is φ = 51298432.

The previous prime is 136261607. The next prime is 136261651. The reversal of 136261630 is 36162631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400600 + ... + 400939.

It is an arithmetic number, because the mean of its divisors is an integer number (16231185).

Almost surely, 2^136261630 is an apocalyptic number.

136261630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136261630 is a deficient number, since it is larger than the sum of its proper divisors (123437330).

136261630 is a wasteful number, since it uses less digits than its factorization.

136261630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801563.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 136261630 is about 11673.1156937640. The cubic root of 136261630 is about 514.5858737584.

The spelling of 136261630 in words is "one hundred thirty-six million, two hundred sixty-one thousand, six hundred thirty".