131413402 has 16 divisors (see below), whose sum is σ = 205938432. Its totient is φ = 62818560.

The previous prime is 131413391. The next prime is 131413439. The reversal of 131413402 is 204314131.

It is a self number, because there is not a number n which added to its sum of digits gives 131413402.

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, 7623 + ... + 17914.

It is an arithmetic number, because the mean of its divisors is an integer number (12871152).

Almost surely, 2^131413402 is an apocalyptic number.

131413402 is a deficient number, since it is larger than the sum of its proper divisors (74525030).

131413402 is a wasteful number, since it uses less digits than its factorization.

131413402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25653.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131413402 is about 11463.5684671048. The cubic root of 131413402 is about 508.4089877068.

Adding to 131413402 its reverse (204314131), we get a palindrome (335727533).

The spelling of 131413402 in words is "one hundred thirty-one million, four hundred thirteen thousand, four hundred two".