136661900 has 36 divisors (see below), whose sum is σ = 302876448. Its totient is φ = 53499840.

The previous prime is 136661893. The next prime is 136661923. The reversal of 136661900 is 9166631.

It is a super-2 number, since 2×136661900² = 37352949823220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9839 + ... + 19238.

Almost surely, 2^136661900 is an apocalyptic number.

136661900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136661900 is an abundant number, since it is smaller than the sum of its proper divisors (166214548).

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

136661900 is a wasteful number, since it uses less digits than its factorization.

136661900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29138 (or 29131 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 136661900 is about 11690.2480726458. The cubic root of 136661900 is about 515.0892483652.

The spelling of 136661900 in words is "one hundred thirty-six million, six hundred sixty-one thousand, nine hundred".