108440913 has 16 divisors (see below), whose sum is σ = 165407616. Its totient is φ = 61904640.

The previous prime is 108440897. The next prime is 108440951. The reversal of 108440913 is 319044801.

It is a happy number.

It is not a de Polignac number, because 108440913 - 2⁴ = 108440897 is a prime.

It is a super-2 number, since 2×108440913² = 23518863224547138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108440963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26953 + ... + 30713.

It is an arithmetic number, because the mean of its divisors is an integer number (10337976).

Almost surely, 2^108440913 is an apocalyptic number.

It is an amenable number.

108440913 is a deficient number, since it is larger than the sum of its proper divisors (56966703).

108440913 is a wasteful number, since it uses less digits than its factorization.

108440913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 108440913 is about 10413.4966749887. The cubic root of 108440913 is about 476.8674965653.

The spelling of 108440913 in words is "one hundred eight million, four hundred forty thousand, nine hundred thirteen".