494960136 has 128 divisors (see below), whose sum is σ = 1405071360. Its totient is φ = 143942400.

The previous prime is 494960131. The next prime is 494960153. The reversal of 494960136 is 631069494.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (494960131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1612095 + ... + 1612401.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^494960136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494960136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702535680).

494960136 is an abundant number, since it is smaller than the sum of its proper divisors (910111224).

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

494960136 is a wasteful number, since it uses less digits than its factorization.

494960136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 494960136 is about 22247.6995664720. The cubic root of 494960136 is about 791.0247535863.

The spelling of 494960136 in words is "four hundred ninety-four million, nine hundred sixty thousand, one hundred thirty-six".