109399454 has 64 divisors (see below), whose sum is σ = 196992000. Its totient is φ = 45163008.

The previous prime is 109399421. The next prime is 109399457. The reversal of 109399454 is 454993901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109399457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549647 + ... + 549845.

It is an arithmetic number, because the mean of its divisors is an integer number (3078000).

Almost surely, 2^109399454 is an apocalyptic number.

109399454 is a deficient number, since it is larger than the sum of its proper divisors (87592546).

109399454 is a wasteful number, since it uses less digits than its factorization.

109399454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 109399454 is about 10459.4193911517. The cubic root of 109399454 is about 478.2684340423.

The spelling of 109399454 in words is "one hundred nine million, three hundred ninety-nine thousand, four hundred fifty-four".