131441388 has 48 divisors (see below), whose sum is σ = 331349760. Its totient is φ = 40313664.

The previous prime is 131441381. The next prime is 131441413. The reversal of 131441388 is 883144131.

It is not an unprimeable number, because it can be changed into a prime (131441381) 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, 54831 + ... + 57177.

It is an arithmetic number, because the mean of its divisors is an integer number (6903120).

Almost surely, 2^131441388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131441388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165674880).

131441388 is an abundant number, since it is smaller than the sum of its proper divisors (199908372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131441388 is a wasteful number, since it uses less digits than its factorization.

131441388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2724 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 131441388 is about 11464.7890517009. The cubic root of 131441388 is about 508.4450756648.

The spelling of 131441388 in words is "one hundred thirty-one million, four hundred forty-one thousand, three hundred eighty-eight".