131850816 has 28 divisors (see below), whose sum is σ = 348855792. Its totient is φ = 43950208.

The previous prime is 131850809. The next prime is 131850853. The reversal of 131850816 is 618058131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343170 + ... + 343553.

Almost surely, 2^131850816 is an apocalyptic number.

131850816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131850816 is an abundant number, since it is smaller than the sum of its proper divisors (217004976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131850816 is an equidigital number, since it uses as much as digits as its factorization.

131850816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686738 (or 686728 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 131850816 is about 11482.6310573840. The cubic root of 131850816 is about 508.9724485662.

The spelling of 131850816 in words is "one hundred thirty-one million, eight hundred fifty thousand, eight hundred sixteen".