409013136 has 60 divisors (see below), whose sum is σ = 1308196032. Its totient is φ = 116860608.

The previous prime is 409013131. The next prime is 409013147. The reversal of 409013136 is 631310904.

It is not an unprimeable number, because it can be changed into a prime (409013131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201876 + ... + 203891.

Almost surely, 2^409013136 is an apocalyptic number.

It is an amenable number.

409013136 is an abundant number, since it is smaller than the sum of its proper divisors (899182896).

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

409013136 is a wasteful number, since it uses less digits than its factorization.

409013136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405788 (or 405779 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 409013136 is about 20224.0731802473. The cubic root of 409013136 is about 742.2993587719.

The spelling of 409013136 in words is "four hundred nine million, thirteen thousand, one hundred thirty-six".