109381508 has 12 divisors (see below), whose sum is σ = 195869520. Its totient is φ = 53418792.

The previous prime is 109381507. The next prime is 109381511. The reversal of 109381508 is 805183901.

It is not an unprimeable number, because it can be changed into a prime (109381507) 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, 317798 + ... + 318141.

It is an arithmetic number, because the mean of its divisors is an integer number (16322460).

Almost surely, 2^109381508 is an apocalyptic number.

It is an amenable number.

109381508 is a deficient number, since it is larger than the sum of its proper divisors (86488012).

109381508 is a wasteful number, since it uses less digits than its factorization.

109381508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635986 (or 635984 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 109381508 is about 10458.5614689593. The cubic root of 109381508 is about 478.2422807287.

The spelling of 109381508 in words is "one hundred nine million, three hundred eighty-one thousand, five hundred eight".