131264515 has 8 divisors (see below), whose sum is σ = 157579200. Its totient is φ = 104970432.

The previous prime is 131264513. The next prime is 131264537. The reversal of 131264515 is 515462131.

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 131264515 - 2¹ = 131264513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131264513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20422 + ... + 26068.

It is an arithmetic number, because the mean of its divisors is an integer number (19697400).

Almost surely, 2^131264515 is an apocalyptic number.

131264515 is a deficient number, since it is larger than the sum of its proper divisors (26314685).

131264515 is an equidigital number, since it uses as much as digits as its factorization.

131264515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301.

The product of its digits is 3600, while the sum is 28.

The square root of 131264515 is about 11457.0727064115. The cubic root of 131264515 is about 508.2169116764.

The spelling of 131264515 in words is "one hundred thirty-one million, two hundred sixty-four thousand, five hundred fifteen".