113156142 has 32 divisors (see below), whose sum is σ = 247328640. Its totient is φ = 34228320.

The previous prime is 113156137. The next prime is 113156149. The reversal of 113156142 is 241651311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113156149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47209 + ... + 49547.

It is an arithmetic number, because the mean of its divisors is an integer number (7729020).

Almost surely, 2^113156142 is an apocalyptic number.

113156142 is an abundant number, since it is smaller than the sum of its proper divisors (134172498).

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

113156142 is a wasteful number, since it uses less digits than its factorization.

113156142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088.

The product of its digits is 720, while the sum is 24.

The square root of 113156142 is about 10637.4875793112. The cubic root of 113156142 is about 483.6813893573.

The spelling of 113156142 in words is "one hundred thirteen million, one hundred fifty-six thousand, one hundred forty-two".