109132791 has 4 divisors (see below), whose sum is σ = 145510392. Its totient is φ = 72755192.

The previous prime is 109132781. The next prime is 109132817. The reversal of 109132791 is 197231901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109132791 - 2⁹ = 109132279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109132711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18188796 + ... + 18188801.

It is an arithmetic number, because the mean of its divisors is an integer number (36377598).

Almost surely, 2^109132791 is an apocalyptic number.

109132791 is a deficient number, since it is larger than the sum of its proper divisors (36377601).

109132791 is an equidigital number, since it uses as much as digits as its factorization.

109132791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36377600.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 109132791 is about 10446.6641087000. The cubic root of 109132791 is about 477.8795221071.

The spelling of 109132791 in words is "one hundred nine million, one hundred thirty-two thousand, seven hundred ninety-one".