131172716 has 6 divisors (see below), whose sum is σ = 229552260. Its totient is φ = 65586356.

The previous prime is 131172683. The next prime is 131172719. The reversal of 131172716 is 617271131.

It is not an unprimeable number, because it can be changed into a prime (131172719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16396586 + ... + 16396593.

It is an arithmetic number, because the mean of its divisors is an integer number (38258710).

Almost surely, 2^131172716 is an apocalyptic number.

It is an amenable number.

131172716 is a deficient number, since it is larger than the sum of its proper divisors (98379544).

131172716 is a wasteful number, since it uses less digits than its factorization.

131172716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32793183 (or 32793181 counting only the distinct ones).

The product of its digits is 1764, while the sum is 29.

The square root of 131172716 is about 11453.0657904336. The cubic root of 131172716 is about 508.0984112978.

The spelling of 131172716 in words is "one hundred thirty-one million, one hundred seventy-two thousand, seven hundred sixteen".