108172136 has 8 divisors (see below), whose sum is σ = 202822770. Its totient is φ = 54086064.

The previous prime is 108172081. The next prime is 108172147. The reversal of 108172136 is 631271801.

It can be written as a sum of positive squares in only one way, i.e., 108035236 + 136900 = 10394^2 + 370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×108172136² = 23402422013604992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108172099 and 108172108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760751 + ... + 6760766.

Almost surely, 2^108172136 is an apocalyptic number.

It is an amenable number.

108172136 is a deficient number, since it is larger than the sum of its proper divisors (94650634).

108172136 is a wasteful number, since it uses less digits than its factorization.

108172136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521523 (or 13521519 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 108172136 is about 10400.5834451727. The cubic root of 108172136 is about 476.4731895008.

The spelling of 108172136 in words is "one hundred eight million, one hundred seventy-two thousand, one hundred thirty-six".