139127706 has 48 divisors (see below), whose sum is σ = 313788384. Its totient is φ = 46201104.

The previous prime is 139127699. The next prime is 139127743. The reversal of 139127706 is 607721931.

It is a happy number.

139127706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 226656 + ... + 227268.

It is an arithmetic number, because the mean of its divisors is an integer number (6537258).

Almost surely, 2^139127706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139127706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156894192).

139127706 is an abundant number, since it is smaller than the sum of its proper divisors (174660678).

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

139127706 is an equidigital number, since it uses as much as digits as its factorization.

139127706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 139127706 is about 11795.2408199239. The cubic root of 139127706 is about 518.1687384762.

The spelling of 139127706 in words is "one hundred thirty-nine million, one hundred twenty-seven thousand, seven hundred six".