131366436552 has 64 divisors (see below), whose sum is σ = 392976528000. Its totient is φ = 40420441152.

The previous prime is 131366436541. The next prime is 131366436637. The reversal of 131366436552 is 255634663131.

131366436552 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 6 + 64 + 36 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131366436498 and 131366436507.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23388652 + ... + 23394267.

It is an arithmetic number, because the mean of its divisors is an integer number (6140258250).

Almost surely, 2^131366436552 is an apocalyptic number.

131366436552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131366436552 is an abundant number, since it is smaller than the sum of its proper divisors (261610091448).

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

131366436552 is a wasteful number, since it uses less digits than its factorization.

131366436552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46782947 (or 46782937 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 131366436552 in words is "one hundred thirty-one billion, three hundred sixty-six million, four hundred thirty-six thousand, five hundred fifty-two".