131887022 has 4 divisors (see below), whose sum is σ = 197830536. Its totient is φ = 65943510.

The previous prime is 131886971. The next prime is 131887033. The reversal of 131887022 is 220788131.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131887022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32971754 + ... + 32971757.

It is an arithmetic number, because the mean of its divisors is an integer number (49457634).

Almost surely, 2^131887022 is an apocalyptic number.

131887022 is a deficient number, since it is larger than the sum of its proper divisors (65943514).

131887022 is an equidigital number, since it uses as much as digits as its factorization.

131887022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65943513.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 131887022 is about 11484.2075042207. The cubic root of 131887022 is about 509.0190319461.

The spelling of 131887022 in words is "one hundred thirty-one million, eight hundred eighty-seven thousand, twenty-two".