131134515 has 32 divisors (see below), whose sum is σ = 225317376. Its totient is φ = 64888320.

The previous prime is 131134501. The next prime is 131134517. The reversal of 131134515 is 515431131.

It is not a de Polignac number, because 131134515 - 2²⁵ = 97580083 is a prime.

It is a super-2 number, since 2×131134515² = 34392522048570450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131134517) 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, 14484 + ... + 21726.

It is an arithmetic number, because the mean of its divisors is an integer number (7041168).

Almost surely, 2^131134515 is an apocalyptic number.

131134515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131134515 is a deficient number, since it is larger than the sum of its proper divisors (94182861).

131134515 is a wasteful number, since it uses less digits than its factorization.

131134515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339.

The product of its digits is 900, while the sum is 24.

The square root of 131134515 is about 11451.3979495955. The cubic root of 131134515 is about 508.0490825640.

Adding to 131134515 its reverse (515431131), we get a palindrome (646565646).

The spelling of 131134515 in words is "one hundred thirty-one million, one hundred thirty-four thousand, five hundred fifteen".