131436416 has 16 divisors (see below), whose sum is σ = 261846240. Its totient is φ = 65718144.

The previous prime is 131436397. The next prime is 131436419. The reversal of 131436416 is 614634131.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131436419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513296 + ... + 513551.

It is an arithmetic number, because the mean of its divisors is an integer number (16365390).

Almost surely, 2^131436416 is an apocalyptic number.

131436416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131436416 is a deficient number, since it is larger than the sum of its proper divisors (130409824).

131436416 is an equidigital number, since it uses as much as digits as its factorization.

131436416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026861 (or 1026849 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 131436416 is about 11464.5722118185. The cubic root of 131436416 is about 508.4386646431.

The spelling of 131436416 in words is "one hundred thirty-one million, four hundred thirty-six thousand, four hundred sixteen".