131281769088 has 128 divisors (see below), whose sum is σ = 396914313600. Its totient is φ = 42693212160.

The previous prime is 131281769033. The next prime is 131281769107. The reversal of 131281769088 is 880967182131.

131281769088 is a `hidden beast` number, since 131 + 281 + 76 + 90 + 88 = 666.

131281769088 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (54).

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, 321556 + ... + 604947.

It is an arithmetic number, because the mean of its divisors is an integer number (3100893075).

Almost surely, 2^131281769088 is an apocalyptic number.

131281769088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131281769088 is an abundant number, since it is smaller than the sum of its proper divisors (265632544512).

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

131281769088 is an equidigital number, since it uses as much as digits as its factorization.

131281769088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926567 (or 926549 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 131281769088 in words is "one hundred thirty-one billion, two hundred eighty-one million, seven hundred sixty-nine thousand, eighty-eight".