109318457 has 4 divisors (see below), whose sum is σ = 115072080. Its totient is φ = 103564836.

The previous prime is 109318441. The next prime is 109318459. The reversal of 109318457 is 754813901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754813901 = 839 ⋅899659.

It is a cyclic number.

It is not a de Polignac number, because 109318457 - 2⁴ = 109318441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109318457.

It is not an unprimeable number, because it can be changed into a prime (109318459) 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, 2876783 + ... + 2876820.

It is an arithmetic number, because the mean of its divisors is an integer number (28768020).

Almost surely, 2^109318457 is an apocalyptic number.

It is an amenable number.

109318457 is a deficient number, since it is larger than the sum of its proper divisors (5753623).

109318457 is an equidigital number, since it uses as much as digits as its factorization.

109318457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753622.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 109318457 is about 10455.5467097613. The cubic root of 109318457 is about 478.1503716839.

The spelling of 109318457 in words is "one hundred nine million, three hundred eighteen thousand, four hundred fifty-seven".