131536015 has 16 divisors (see below), whose sum is σ = 170856000. Its totient is φ = 96636672.

The previous prime is 131536001. The next prime is 131536019. The reversal of 131536015 is 510635131.

It is a cyclic number.

It is not a de Polignac number, because 131536015 - 2¹⁷ = 131404943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131536019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7851 + ... + 18019.

It is an arithmetic number, because the mean of its divisors is an integer number (10678500).

Almost surely, 2^131536015 is an apocalyptic number.

131536015 is a deficient number, since it is larger than the sum of its proper divisors (39319985).

131536015 is a wasteful number, since it uses less digits than its factorization.

131536015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10386.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 131536015 is about 11468.9151622985. The cubic root of 131536015 is about 508.5670592901.

The spelling of 131536015 in words is "one hundred thirty-one million, five hundred thirty-six thousand, fifteen".