131545325044 has 24 divisors (see below), whose sum is σ = 263177849088. Its totient is φ = 56357882400.

The previous prime is 131545325029. The next prime is 131545325053. The reversal of 131545325044 is 440523545131.

It is a super-2 number, since 2×131545325044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131545324994 and 131545325012.

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, 692407 + ... + 861694.

It is an arithmetic number, because the mean of its divisors is an integer number (10965743712).

Almost surely, 2^131545325044 is an apocalyptic number.

131545325044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131545325044 is an abundant number, since it is smaller than the sum of its proper divisors (131632524044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131545325044 is a wasteful number, since it uses less digits than its factorization.

131545325044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557135 (or 1557133 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 131545325044 in words is "one hundred thirty-one billion, five hundred forty-five million, three hundred twenty-five thousand, forty-four".