131383256 has 8 divisors (see below), whose sum is σ = 246343620. Its totient is φ = 65691624.

The previous prime is 131383249. The next prime is 131383277. The reversal of 131383256 is 652383131.

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

It is a super-3 number, since 3×131383256³ (a number of 25 digits) contains 333 as substring.

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, 8211446 + ... + 8211461.

Almost surely, 2^131383256 is an apocalyptic number.

It is an amenable number.

131383256 is a deficient number, since it is larger than the sum of its proper divisors (114960364).

131383256 is a wasteful number, since it uses less digits than its factorization.

131383256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16422913 (or 16422909 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 131383256 is about 11462.2535306108. The cubic root of 131383256 is about 508.3701086954.

The spelling of 131383256 in words is "one hundred thirty-one million, three hundred eighty-three thousand, two hundred fifty-six".