108407139 has 8 divisors (see below), whose sum is σ = 146700480. Its totient is φ = 71192616.

The previous prime is 108407137. The next prime is 108407153. The reversal of 108407139 is 931704801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108407139 - 2¹ = 108407137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108407137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269469 + ... + 269870.

It is an arithmetic number, because the mean of its divisors is an integer number (18337560).

Almost surely, 2^108407139 is an apocalyptic number.

108407139 is a deficient number, since it is larger than the sum of its proper divisors (38293341).

108407139 is an equidigital number, since it uses as much as digits as its factorization.

108407139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539409.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 108407139 is about 10411.8749032055. The cubic root of 108407139 is about 476.8179845170.

The spelling of 108407139 in words is "one hundred eight million, four hundred seven thousand, one hundred thirty-nine".