493118136 has 96 divisors (see below), whose sum is σ = 1531770240. Its totient is φ = 140387904.

The previous prime is 493118113. The next prime is 493118141. The reversal of 493118136 is 631811394.

It is a super-2 number, since 2×493118136² = 486330992104228992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 493118136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153135 + ... + 156321.

It is an arithmetic number, because the mean of its divisors is an integer number (15955940).

Almost surely, 2^493118136 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 493118136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765885120).

493118136 is an abundant number, since it is smaller than the sum of its proper divisors (1038652104).

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

493118136 is a wasteful number, since it uses less digits than its factorization.

493118136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3506 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 493118136 is about 22206.2634407502. The cubic root of 493118136 is about 790.0422644696.

The spelling of 493118136 in words is "four hundred ninety-three million, one hundred eighteen thousand, one hundred thirty-six".