113409771 has 16 divisors (see below), whose sum is σ = 163132704. Its totient is φ = 69814784.

The previous prime is 113409739. The next prime is 113409809. The reversal of 113409771 is 177904311.

It is not a de Polignac number, because 113409771 - 2⁵ = 113409739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113409371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18276 + ... + 23681.

It is an arithmetic number, because the mean of its divisors is an integer number (10195794).

Almost surely, 2^113409771 is an apocalyptic number.

113409771 is a deficient number, since it is larger than the sum of its proper divisors (49722933).

113409771 is a wasteful number, since it uses less digits than its factorization.

113409771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42030.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 113409771 is about 10649.4023775985. The cubic root of 113409771 is about 484.0424953581.

The spelling of 113409771 in words is "one hundred thirteen million, four hundred nine thousand, seven hundred seventy-one".