131585015 has 8 divisors (see below), whose sum is σ = 167190480. Its totient is φ = 99075712.

The previous prime is 131584961. The next prime is 131585021. The reversal of 131585015 is 510585131.

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 131585015 - 2¹² = 131580919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773945 + ... + 774114.

It is an arithmetic number, because the mean of its divisors is an integer number (20898810).

Almost surely, 2^131585015 is an apocalyptic number.

131585015 is a deficient number, since it is larger than the sum of its proper divisors (35605465).

131585015 is a wasteful number, since it uses less digits than its factorization.

131585015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548081.

The product of its (nonzero) digits is 3000, while the sum is 29.

The square root of 131585015 is about 11471.0511724079. The cubic root of 131585015 is about 508.6302021796.

The spelling of 131585015 in words is "one hundred thirty-one million, five hundred eighty-five thousand, fifteen".