131657884 has 6 divisors (see below), whose sum is σ = 230401304. Its totient is φ = 65828940.

The previous prime is 131657879. The next prime is 131657887. The reversal of 131657884 is 488756131.

It is a self number, because there is not a number n which added to its sum of digits gives 131657884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131657887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16457232 + ... + 16457239.

Almost surely, 2^131657884 is an apocalyptic number.

It is an amenable number.

131657884 is a deficient number, since it is larger than the sum of its proper divisors (98743420).

131657884 is a wasteful number, since it uses less digits than its factorization.

131657884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32914475 (or 32914473 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 131657884 is about 11474.2269456378. The cubic root of 131657884 is about 508.7240744053.

The spelling of 131657884 in words is "one hundred thirty-one million, six hundred fifty-seven thousand, eight hundred eighty-four".