113521542 has 32 divisors (see below), whose sum is σ = 239625600. Its totient is φ = 35754048.

The previous prime is 113521489. The next prime is 113521607. The reversal of 113521542 is 245125311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51009 + ... + 53187.

It is an arithmetic number, because the mean of its divisors is an integer number (7488300).

Almost surely, 2^113521542 is an apocalyptic number.

113521542 is an abundant number, since it is smaller than the sum of its proper divisors (126104058).

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

113521542 is a wasteful number, since it uses less digits than its factorization.

113521542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its digits is 1200, while the sum is 24.

The square root of 113521542 is about 10654.6488445185. The cubic root of 113521542 is about 484.2014591746.

Adding to 113521542 its reverse (245125311), we get a palindrome (358646853).

The spelling of 113521542 in words is "one hundred thirteen million, five hundred twenty-one thousand, five hundred forty-two".