108139201 has 3 divisors (see below), whose sum is σ = 108149601. Its totient is φ = 108128802.

The previous prime is 108139121. The next prime is 108139211. The reversal of 108139201 is 102931801.

The square root of 108139201 is 10399.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 108139201 - 2²³ = 99750593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108139211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5200 + ... + 15598.

It is an arithmetic number, because the mean of its divisors is an integer number (36049867).

Almost surely, 2^108139201 is an apocalyptic number.

108139201 is the 10399-th square number.

108139201 is the 5200-th centered octagonal number.

It is an amenable number.

108139201 is a deficient number, since it is larger than the sum of its proper divisors (10400).

108139201 is an frugal number, since it uses more digits than its factorization.

108139201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20798 (or 10399 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The cubic root of 108139201 is about 476.4248275782.

Multiplying 108139201 by its sum of digits (25), we get a square (2703480025 = 51995²).

The spelling of 108139201 in words is "one hundred eight million, one hundred thirty-nine thousand, two hundred one".