109739842 has 8 divisors (see below), whose sum is σ = 166148496. Its totient is φ = 54357012.

The previous prime is 109739809. The next prime is 109739869. The reversal of 109739842 is 248937901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256188 + ... + 256615.

It is an arithmetic number, because the mean of its divisors is an integer number (20768562).

Almost surely, 2^109739842 is an apocalyptic number.

109739842 is a deficient number, since it is larger than the sum of its proper divisors (56408654).

109739842 is a wasteful number, since it uses less digits than its factorization.

109739842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512912.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 109739842 is about 10475.6785937714. The cubic root of 109739842 is about 478.7639523097.

The spelling of 109739842 in words is "one hundred nine million, seven hundred thirty-nine thousand, eight hundred forty-two".