113711142 has 32 divisors (see below), whose sum is σ = 233280000. Its totient is φ = 36934688.

The previous prime is 113711123. The next prime is 113711159. The reversal of 113711142 is 241117311.

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, 75109 + ... + 76607.

It is an arithmetic number, because the mean of its divisors is an integer number (7290000).

Almost surely, 2^113711142 is an apocalyptic number.

113711142 is an abundant number, since it is smaller than the sum of its proper divisors (119568858).

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

113711142 is a wasteful number, since it uses less digits than its factorization.

113711142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its digits is 168, while the sum is 21.

The square root of 113711142 is about 10663.5426571098. The cubic root of 113711142 is about 484.4708751014.

Adding to 113711142 its reverse (241117311), we get a palindrome (354828453).

The spelling of 113711142 in words is "one hundred thirteen million, seven hundred eleven thousand, one hundred forty-two".