318135156 has 48 divisors (see below), whose sum is σ = 761982144. Its totient is φ = 103251456.

The previous prime is 318135137. The next prime is 318135157. The reversal of 318135156 is 651531813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318135157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204076 + ... + 205628.

It is an arithmetic number, because the mean of its divisors is an integer number (15874628).

Almost surely, 2^318135156 is an apocalyptic number.

It is an amenable number.

318135156 is an abundant number, since it is smaller than the sum of its proper divisors (443846988).

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

318135156 is a wasteful number, since it uses less digits than its factorization.

318135156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1998 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 318135156 is about 17836.3436836141. The cubic root of 318135156 is about 682.6591065947.

Adding to 318135156 its reverse (651531813), we get a palindrome (969666969).

The spelling of 318135156 in words is "three hundred eighteen million, one hundred thirty-five thousand, one hundred fifty-six".