131045737815 has 40 divisors (see below), whose sum is σ = 242489436288. Its totient is φ = 67636503360.

The previous prime is 131045737811. The next prime is 131045737831. The reversal of 131045737815 is 518737540131.

131045737815 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 4 + 573 + 78 + 1 + 5 = 666.

It is not a de Polignac number, because 131045737815 - 2² = 131045737811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045737811) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5206312 + ... + 5231421.

Almost surely, 2^131045737815 is an apocalyptic number.

131045737815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131045737815 is a deficient number, since it is larger than the sum of its proper divisors (111443698473).

131045737815 is a wasteful number, since it uses less digits than its factorization.

131045737815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10437781 (or 10437772 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 131045737815 in words is "one hundred thirty-one billion, forty-five million, seven hundred thirty-seven thousand, eight hundred fifteen".