1113132009 has 16 divisors (see below), whose sum is σ = 1635136704. Its totient is φ = 667944000.

The previous prime is 1113131963. The next prime is 1113132017. The reversal of 1113132009 is 9002313111.

It is not a de Polignac number, because 1113132009 - 2⁷ = 1113131881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113132029) 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, 163654 + ... + 170319.

It is an arithmetic number, because the mean of its divisors is an integer number (102196044).

Almost surely, 2^1113132009 is an apocalyptic number.

It is an amenable number.

1113132009 is a deficient number, since it is larger than the sum of its proper divisors (522004695).

1113132009 is a wasteful number, since it uses less digits than its factorization.

1113132009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334088.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1113132009 is about 33363.6330305919. The cubic root of 1113132009 is about 1036.3717282959.

The spelling of 1113132009 in words is "one billion, one hundred thirteen million, one hundred thirty-two thousand, nine".