113906155 has 16 divisors (see below), whose sum is σ = 150568704. Its totient is φ = 82032480.

The previous prime is 113906153. The next prime is 113906161. The reversal of 113906155 is 551609311.

It is not a de Polignac number, because 113906155 - 2¹ = 113906153 is a prime.

It is a super-2 number, since 2×113906155² = 25949224293768050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113906153) 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, 4389 + ... + 15718.

It is an arithmetic number, because the mean of its divisors is an integer number (9410544).

Almost surely, 2^113906155 is an apocalyptic number.

113906155 is a deficient number, since it is larger than the sum of its proper divisors (36662549).

113906155 is a wasteful number, since it uses less digits than its factorization.

113906155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 113906155 is about 10672.6826524543. The cubic root of 113906155 is about 484.7476704941.

The spelling of 113906155 in words is "one hundred thirteen million, nine hundred six thousand, one hundred fifty-five".