131554812860 has 24 divisors (see below), whose sum is σ = 276298673280. Its totient is φ = 52615531584.

The previous prime is 131554812847. The next prime is 131554812863. The reversal of 131554812860 is 68218455131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131554812863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229100 + ... + 561779.

It is an arithmetic number, because the mean of its divisors is an integer number (11512444720).

Almost surely, 2^131554812860 is an apocalyptic number.

131554812860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131554812860 is an abundant number, since it is smaller than the sum of its proper divisors (144743860420).

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

131554812860 is a wasteful number, since it uses less digits than its factorization.

131554812860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799205 (or 799203 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 131554812860 in words is "one hundred thirty-one billion, five hundred fifty-four million, eight hundred twelve thousand, eight hundred sixty".