131562077140 has 24 divisors (see below), whose sum is σ = 297532698120. Its totient is φ = 48576766848.

The previous prime is 131562077137. The next prime is 131562077149. The reversal of 131562077140 is 41770265131.

It can be written as a sum of positive squares in 4 ways, for example, as 22136083524 + 109425993616 = 148782^2 + 330796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131562077140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131562077149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253003735 + ... + 253004254.

It is an arithmetic number, because the mean of its divisors is an integer number (12397195755).

Almost surely, 2^131562077140 is an apocalyptic number.

131562077140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131562077140 is an abundant number, since it is smaller than the sum of its proper divisors (165970620980).

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

131562077140 is a wasteful number, since it uses less digits than its factorization.

131562077140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506008011 (or 506008009 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 131562077140 in words is "one hundred thirty-one billion, five hundred sixty-two million, seventy-seven thousand, one hundred forty".