136885408 has 24 divisors (see below), whose sum is σ = 293993280. Its totient is φ = 62220480.

The previous prime is 136885387. The next prime is 136885409. The reversal of 136885408 is 804588631.

It is a super-2 number, since 2×136885408² = 37475229846652928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136885409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194088 + ... + 194791.

It is an arithmetic number, because the mean of its divisors is an integer number (12249720).

Almost surely, 2^136885408 is an apocalyptic number.

It is an amenable number.

136885408 is an abundant number, since it is smaller than the sum of its proper divisors (157107872).

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

136885408 is a wasteful number, since it uses less digits than its factorization.

136885408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388900 (or 388892 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 136885408 is about 11699.8037590380. The cubic root of 136885408 is about 515.3699017202.

The spelling of 136885408 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, four hundred eight".