113402131444 has 24 divisors (see below), whose sum is σ = 226811691008. Its totient is φ = 48599321760.

The previous prime is 113402131399. The next prime is 113402131457. The reversal of 113402131444 is 444131204311.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1291789 + ... + 1376779.

Almost surely, 2^113402131444 is an apocalyptic number.

113402131444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

113402131444 is an abundant number, since it is smaller than the sum of its proper divisors (113409559564).

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

113402131444 is a wasteful number, since it uses less digits than its factorization.

113402131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132655 (or 132653 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 113402131444 its reverse (444131204311), we get a palindrome (557533335755).

The spelling of 113402131444 in words is "one hundred thirteen billion, four hundred two million, one hundred thirty-one thousand, four hundred forty-four".