131177145232456 has 32 divisors (see below), whose sum is σ = 246196189578240. Its totient is φ = 65524834280448.

The previous prime is 131177145232453. The next prime is 131177145232457. The reversal of 131177145232456 is 654232541771131.

It is not an unprimeable number, because it can be changed into a prime (131177145232453) 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, 171599421 + ... + 172362163.

It is an arithmetic number, because the mean of its divisors is an integer number (7693630924320).

Almost surely, 2^{131177145232456} is an apocalyptic number.

It is an amenable number.

131177145232456 is a deficient number, since it is larger than the sum of its proper divisors (115019044345784).

131177145232456 is a wasteful number, since it uses less digits than its factorization.

131177145232456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783613 (or 783609 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 131177145232456 in words is "one hundred thirty-one trillion, one hundred seventy-seven billion, one hundred forty-five million, two hundred thirty-two thousand, four hundred fifty-six".