109913438 has 4 divisors (see below), whose sum is σ = 164870160. Its totient is φ = 54956718.

The previous prime is 109913413. The next prime is 109913443. The reversal of 109913438 is 834319901.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27478358 + ... + 27478361.

It is an arithmetic number, because the mean of its divisors is an integer number (41217540).

Almost surely, 2^109913438 is an apocalyptic number.

109913438 is a deficient number, since it is larger than the sum of its proper divisors (54956722).

109913438 is an equidigital number, since it uses as much as digits as its factorization.

109913438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54956721.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 109913438 is about 10483.9609880999. The cubic root of 109913438 is about 479.0162694253.

The spelling of 109913438 in words is "one hundred nine million, nine hundred thirteen thousand, four hundred thirty-eight".