494681136 has 40 divisors (see below), whose sum is σ = 1319153664. Its totient is φ = 159574080.

The previous prime is 494681081. The next prime is 494681137. The reversal of 494681136 is 631186494.

It is not an unprimeable number, because it can be changed into a prime (494681137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164736 + ... + 167711.

Almost surely, 2^494681136 is an apocalyptic number.

It is an amenable number.

494681136 is an abundant number, since it is smaller than the sum of its proper divisors (824472528).

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

494681136 is a wasteful number, since it uses less digits than its factorization.

494681136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332489 (or 332483 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 494681136 is about 22241.4283713974. The cubic root of 494681136 is about 790.8760969097.

The spelling of 494681136 in words is "four hundred ninety-four million, six hundred eighty-one thousand, one hundred thirty-six".