131884417 has 16 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 110008080.

The previous prime is 131884327. The next prime is 131884463. The reversal of 131884417 is 714488131.

It is a de Polignac number, because none of the positive numbers 2^k-131884417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131884477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37584 + ... + 40942.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2^131884417 is an apocalyptic number.

It is an amenable number.

131884417 is a deficient number, since it is larger than the sum of its proper divisors (22944383).

131884417 is an equidigital number, since it uses as much as digits as its factorization.

131884417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516.

The product of its digits is 21504, while the sum is 37.

The square root of 131884417 is about 11484.0940870406. The cubic root of 131884417 is about 509.0156805845.

The spelling of 131884417 in words is "one hundred thirty-one million, eight hundred eighty-four thousand, four hundred seventeen".