131885441 has 4 divisors (see below), whose sum is σ = 138826800. Its totient is φ = 124944084.

The previous prime is 131885437. The next prime is 131885443. The reversal of 131885441 is 144588131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131885441 - 2² = 131885437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131885443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3470651 + ... + 3470688.

It is an arithmetic number, because the mean of its divisors is an integer number (34706700).

Almost surely, 2^131885441 is an apocalyptic number.

It is an amenable number.

131885441 is a deficient number, since it is larger than the sum of its proper divisors (6941359).

131885441 is an equidigital number, since it uses as much as digits as its factorization.

131885441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941358.

The product of its digits is 15360, while the sum is 35.

The square root of 131885441 is about 11484.1386703575. The cubic root of 131885441 is about 509.0169979772.

The spelling of 131885441 in words is "one hundred thirty-one million, eight hundred eighty-five thousand, four hundred forty-one".