139071108 has 108 divisors (see below), whose sum is σ = 380816240. Its totient is φ = 39362400.

The previous prime is 139071103. The next prime is 139071109. The reversal of 139071108 is 801170931.

It is not an unprimeable number, because it can be changed into a prime (139071103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1958713 + ... + 1958783.

Almost surely, 2^139071108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139071108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190408120).

139071108 is an abundant number, since it is smaller than the sum of its proper divisors (241745132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139071108 is a wasteful number, since it uses less digits than its factorization.

139071108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 139071108 is about 11792.8413878929. The cubic root of 139071108 is about 518.0984642108.

The spelling of 139071108 in words is "one hundred thirty-nine million, seventy-one thousand, one hundred eight".