131944750563 has 16 divisors (see below), whose sum is σ = 176537556000. Its totient is φ = 87658045440.

The previous prime is 131944750541. The next prime is 131944750571. The reversal of 131944750563 is 365057449131.

It is a Cunningham number, because it is equal to 363242²-1.

It is not a de Polignac number, because 131944750563 - 2⁸ = 131944750307 is a prime.

It is a super-2 number, since 2×131944750563² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131944755563) 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, 1029183 + ... + 1150263.

It is an arithmetic number, because the mean of its divisors is an integer number (11033597250).

Almost surely, 2^131944750563 is an apocalyptic number.

131944750563 is a deficient number, since it is larger than the sum of its proper divisors (44592805437).

131944750563 is a wasteful number, since it uses less digits than its factorization.

131944750563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122342.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 131944750563 in words is "one hundred thirty-one billion, nine hundred forty-four million, seven hundred fifty thousand, five hundred sixty-three".