131406359 has 4 divisors (see below), whose sum is σ = 150178704. Its totient is φ = 112634016.

The previous prime is 131406349. The next prime is 131406397. The reversal of 131406359 is 953604131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131406359 - 2⁸ = 131406103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131406349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9386162 + ... + 9386175.

It is an arithmetic number, because the mean of its divisors is an integer number (37544676).

Almost surely, 2^131406359 is an apocalyptic number.

131406359 is a deficient number, since it is larger than the sum of its proper divisors (18772345).

131406359 is an equidigital number, since it uses as much as digits as its factorization.

131406359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772344.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 131406359 is about 11463.2612724303. The cubic root of 131406359 is about 508.3999049485.

The spelling of 131406359 in words is "one hundred thirty-one million, four hundred six thousand, three hundred fifty-nine".