131828244 has 24 divisors (see below), whose sum is σ = 317522688. Its totient is φ = 42525120.

The previous prime is 131828237. The next prime is 131828267. The reversal of 131828244 is 442828131.

It is a super-2 number, since 2×131828244² = 34757371832247072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176817 + ... + 177560.

It is an arithmetic number, because the mean of its divisors is an integer number (13230112).

Almost surely, 2^131828244 is an apocalyptic number.

It is an amenable number.

131828244 is an abundant number, since it is smaller than the sum of its proper divisors (185694444).

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

131828244 is a wasteful number, since it uses less digits than its factorization.

131828244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354415 (or 354413 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 131828244 is about 11481.6481395312. The cubic root of 131828244 is about 508.9434026537.

The spelling of 131828244 in words is "one hundred thirty-one million, eight hundred twenty-eight thousand, two hundred forty-four".