131884689 has 8 divisors (see below), whose sum is σ = 177587712. Its totient is φ = 87052400.

The previous prime is 131884667. The next prime is 131884699. The reversal of 131884689 is 986488131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131884689 - 2⁹ = 131884177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131884639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217329 + ... + 217934.

It is an arithmetic number, because the mean of its divisors is an integer number (22198464).

Almost surely, 2^131884689 is an apocalyptic number.

It is an amenable number.

131884689 is a deficient number, since it is larger than the sum of its proper divisors (45703023).

131884689 is a wasteful number, since it uses less digits than its factorization.

131884689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435367.

The product of its digits is 331776, while the sum is 48.

The square root of 131884689 is about 11484.1059295010. The cubic root of 131884689 is about 509.0160305176.

The spelling of 131884689 in words is "one hundred thirty-one million, eight hundred eighty-four thousand, six hundred eighty-nine".