136252808 has 32 divisors (see below), whose sum is σ = 260638560. Its totient is φ = 66760320.

The previous prime is 136252793. The next prime is 136252813. The reversal of 136252808 is 808252631.

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 7 ways as a sum of consecutive naturals, for example, 124343 + ... + 125433.

It is an arithmetic number, because the mean of its divisors is an integer number (8144955).

Almost surely, 2^136252808 is an apocalyptic number.

It is an amenable number.

136252808 is a deficient number, since it is larger than the sum of its proper divisors (124385752).

136252808 is a wasteful number, since it uses less digits than its factorization.

136252808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 136252808 is about 11672.7378108137. The cubic root of 136252808 is about 514.5747682242.

The spelling of 136252808 in words is "one hundred thirty-six million, two hundred fifty-two thousand, eight hundred eight".