136977900 has 72 divisors (see below), whose sum is σ = 397516224. Its totient is φ = 36417600.

The previous prime is 136977899. The next prime is 136977913. The reversal of 136977900 is 9779631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168495 + ... + 169305.

Almost surely, 2^136977900 is an apocalyptic number.

136977900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136977900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198758112).

136977900 is an abundant number, since it is smaller than the sum of its proper divisors (260538324).

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

136977900 is a wasteful number, since it uses less digits than its factorization.

136977900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 136977900 is about 11703.7558074321. The cubic root of 136977900 is about 515.4859522219.

The spelling of 136977900 in words is "one hundred thirty-six million, nine hundred seventy-seven thousand, nine hundred".