136193408 has 32 divisors (see below), whose sum is σ = 292197360. Its totient is φ = 62857728.

The previous prime is 136193383. The next prime is 136193423. The reversal of 136193408 is 804391631.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39260 + ... + 42587.

Almost surely, 2^136193408 is an apocalyptic number.

It is an amenable number.

136193408 is an abundant number, since it is smaller than the sum of its proper divisors (156003952).

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

136193408 is an equidigital number, since it uses as much as digits as its factorization.

136193408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81874 (or 81862 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 136193408 is about 11670.1931432175. The cubic root of 136193408 is about 514.4999803244.

The spelling of 136193408 in words is "one hundred thirty-six million, one hundred ninety-three thousand, four hundred eight".