131575071444 has 48 divisors (see below), whose sum is σ = 322996462656. Its totient is φ = 41632185600.

The previous prime is 131575071437. The next prime is 131575071457. The reversal of 131575071444 is 444170575131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131575071396 and 131575071405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3595702 + ... + 3632109.

It is an arithmetic number, because the mean of its divisors is an integer number (6729092972).

Almost surely, 2^131575071444 is an apocalyptic number.

It is an amenable number.

131575071444 is an abundant number, since it is smaller than the sum of its proper divisors (191421391212).

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

131575071444 is a wasteful number, since it uses less digits than its factorization.

131575071444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227896 (or 7227894 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 131575071444 in words is "one hundred thirty-one billion, five hundred seventy-five million, seventy-one thousand, four hundred forty-four".