113133444 has 24 divisors (see below), whose sum is σ = 268453920. Its totient is φ = 37071744.

The previous prime is 113133443. The next prime is 113133463. The reversal of 113133444 is 444331311.

It is a super-2 number, since 2×113133444² = 25598352302602272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (113133443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79189 + ... + 80604.

It is an arithmetic number, because the mean of its divisors is an integer number (11185580).

Almost surely, 2^113133444 is an apocalyptic number.

It is an amenable number.

113133444 is an abundant number, since it is smaller than the sum of its proper divisors (155320476).

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

113133444 is a wasteful number, since it uses less digits than its factorization.

113133444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159859 (or 159857 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 113133444 is about 10636.4206385419. The cubic root of 113133444 is about 483.6490466312.

Adding to 113133444 its reverse (444331311), we get a palindrome (557464755).

The spelling of 113133444 in words is "one hundred thirteen million, one hundred thirty-three thousand, four hundred forty-four".