131982808 has 8 divisors (see below), whose sum is σ = 247467780. Its totient is φ = 65991400.

The previous prime is 131982769. The next prime is 131982827. The reversal of 131982808 is 808289131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8248918 + ... + 8248933.

Almost surely, 2^131982808 is an apocalyptic number.

It is an amenable number.

131982808 is a deficient number, since it is larger than the sum of its proper divisors (115484972).

131982808 is a wasteful number, since it uses less digits than its factorization.

131982808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497857 (or 16497853 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 131982808 is about 11488.3770829478. The cubic root of 131982808 is about 509.1422310737.

The spelling of 131982808 in words is "one hundred thirty-one million, nine hundred eighty-two thousand, eight hundred eight".