131554620032 has 128 divisors (see below), whose sum is σ = 296275320000. Its totient is φ = 57636167680.

The previous prime is 131554620031. The next prime is 131554620053. The reversal of 131554620032 is 230026455131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (131554620031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26905844 + ... + 26910732.

Almost surely, 2^131554620032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131554620032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148137660000).

131554620032 is an abundant number, since it is smaller than the sum of its proper divisors (164720699968).

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

131554620032 is a wasteful number, since it uses less digits than its factorization.

131554620032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5590 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 131554620032 in words is "one hundred thirty-one billion, five hundred fifty-four million, six hundred twenty thousand, thirty-two".