131256470 has 16 divisors (see below), whose sum is σ = 236802960. Its totient is φ = 52382304.

The previous prime is 131256467. The next prime is 131256481. The reversal of 131256470 is 74652131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385 + ... + 19244.

It is an arithmetic number, because the mean of its divisors is an integer number (14800185).

Almost surely, 2^131256470 is an apocalyptic number.

131256470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131256470 is a deficient number, since it is larger than the sum of its proper divisors (105546490).

131256470 is a wasteful number, since it uses less digits than its factorization.

131256470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30079.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 131256470 is about 11456.7216078597. The cubic root of 131256470 is about 508.2065288536.

The spelling of 131256470 in words is "one hundred thirty-one million, two hundred fifty-six thousand, four hundred seventy".