131495315 has 8 divisors (see below), whose sum is σ = 180336480. Its totient is φ = 90168192.

The previous prime is 131495261. The next prime is 131495317. The reversal of 131495315 is 513594131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131495315 - 2⁸ = 131495059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131495317) 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 7 ways as a sum of consecutive naturals, for example, 1878470 + ... + 1878539.

It is an arithmetic number, because the mean of its divisors is an integer number (22542060).

Almost surely, 2^131495315 is an apocalyptic number.

131495315 is a deficient number, since it is larger than the sum of its proper divisors (48841165).

131495315 is an equidigital number, since it uses as much as digits as its factorization.

131495315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757021.

The product of its digits is 8100, while the sum is 32.

The square root of 131495315 is about 11467.1406636528. The cubic root of 131495315 is about 508.5146001099.

The spelling of 131495315 in words is "one hundred thirty-one million, four hundred ninety-five thousand, three hundred fifteen".