131427768 has 32 divisors (see below), whose sum is σ = 339901200. Its totient is φ = 42298368.

The previous prime is 131427767. The next prime is 131427781. The reversal of 131427768 is 867724131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131427767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93721 + ... + 95112.

Almost surely, 2^131427768 is an apocalyptic number.

It is an amenable number.

131427768 is an abundant number, since it is smaller than the sum of its proper divisors (208473432).

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

131427768 is a wasteful number, since it uses less digits than its factorization.

131427768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188871 (or 188867 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 131427768 is about 11464.1950437002. The cubic root of 131427768 is about 508.4275133094.

It can be divided in two parts, 13142 and 7768, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 131427768 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, seven hundred sixty-eight".