113412156 has 192 divisors, whose sum is σ = 335301120. Its totient is φ = 29352960.

The previous prime is 113412137. The next prime is 113412157. The reversal of 113412156 is 651214311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113412157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2139826 + ... + 2139878.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 2^113412156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113412156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167650560).

113412156 is an abundant number, since it is smaller than the sum of its proper divisors (221888964).

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

113412156 is a wasteful number, since it uses less digits than its factorization.

113412156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 154 counting only the distinct ones).

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

The square root of 113412156 is about 10649.5143551244. The cubic root of 113412156 is about 484.0458884616.

Adding to 113412156 its reverse (651214311), we get a palindrome (764626467).

The spelling of 113412156 in words is "one hundred thirteen million, four hundred twelve thousand, one hundred fifty-six".