108090765 has 24 divisors (see below), whose sum is σ = 190159008. Its totient is φ = 56786400.

The previous prime is 108090757. The next prime is 108090779. The reversal of 108090765 is 567090801.

It is not a de Polignac number, because 108090765 - 2³ = 108090757 is a prime.

It is a super-2 number, since 2×108090765² = 23367226956570450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14911 + ... + 20940.

It is an arithmetic number, because the mean of its divisors is an integer number (7923292).

Almost surely, 2^108090765 is an apocalyptic number.

108090765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108090765 is a deficient number, since it is larger than the sum of its proper divisors (82068243).

108090765 is a wasteful number, since it uses less digits than its factorization.

108090765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35929 (or 35926 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 108090765 is about 10396.6708613864. The cubic root of 108090765 is about 476.3536860653.

Adding to 108090765 its sum of digits (36), we get a palindrome (108090801).

The spelling of 108090765 in words is "one hundred eight million, ninety thousand, seven hundred sixty-five".