131623414 has 16 divisors (see below), whose sum is σ = 212844240. Its totient is φ = 60685920.

The previous prime is 131623399. The next prime is 131623439. The reversal of 131623414 is 414326131.

It is a super-2 number, since 2×131623414² = 34649446226030792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30724 + ... + 34744.

It is an arithmetic number, because the mean of its divisors is an integer number (13302765).

Almost surely, 2^131623414 is an apocalyptic number.

131623414 is a deficient number, since it is larger than the sum of its proper divisors (81220826).

131623414 is a wasteful number, since it uses less digits than its factorization.

131623414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295.

The product of its digits is 1728, while the sum is 25.

The square root of 131623414 is about 11472.7247853333. The cubic root of 131623414 is about 508.6796733437.

Adding to 131623414 its reverse (414326131), we get a palindrome (545949545).

The spelling of 131623414 in words is "one hundred thirty-one million, six hundred twenty-three thousand, four hundred fourteen".