131479390 has 16 divisors (see below), whose sum is σ = 270472032. Its totient is φ = 45078624.

The previous prime is 131479349. The next prime is 131479391. The reversal of 131479390 is 93974131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131479391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939069 + ... + 939208.

It is an arithmetic number, because the mean of its divisors is an integer number (16904502).

Almost surely, 2^131479390 is an apocalyptic number.

131479390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131479390 is an abundant number, since it is smaller than the sum of its proper divisors (138992642).

131479390 is a wasteful number, since it uses less digits than its factorization.

131479390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878291.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 131479390 is about 11466.4462672617. The cubic root of 131479390 is about 508.4940710593.

The spelling of 131479390 in words is "one hundred thirty-one million, four hundred seventy-nine thousand, three hundred ninety".