315136140 has 96 divisors (see below), whose sum is σ = 1019257344. Its totient is φ = 71900160.

The previous prime is 315136103. The next prime is 315136177. The reversal of 315136140 is 41631513.

It is an interprime number because it is at equal distance from previous prime (315136103) and next prime (315136177).

It is a self number, because there is not a number n which added to its sum of digits gives 315136140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2824 + ... + 25263.

It is an arithmetic number, because the mean of its divisors is an integer number (10617264).

Almost surely, 2^315136140 is an apocalyptic number.

315136140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315136140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509628672).

315136140 is an abundant number, since it is smaller than the sum of its proper divisors (704121204).

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

315136140 is a wasteful number, since it uses less digits than its factorization.

315136140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28127 (or 28125 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 315136140 is about 17752.0742450002. The cubic root of 315136140 is about 680.5072196044.

Adding to 315136140 its reverse (41631513), we get a palindrome (356767653).

The spelling of 315136140 in words is "three hundred fifteen million, one hundred thirty-six thousand, one hundred forty".