139117702 has 4 divisors (see below), whose sum is σ = 208676556. Its totient is φ = 69558850.

The previous prime is 139117679. The next prime is 139117709. The reversal of 139117702 is 207711931.

139117702 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139117709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34779424 + ... + 34779427.

It is an arithmetic number, because the mean of its divisors is an integer number (52169139).

Almost surely, 2^139117702 is an apocalyptic number.

139117702 is a deficient number, since it is larger than the sum of its proper divisors (69558854).

139117702 is an equidigital number, since it uses as much as digits as its factorization.

139117702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69558853.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 139117702 is about 11794.8167429596. The cubic root of 139117702 is about 518.1563185098.

The spelling of 139117702 in words is "one hundred thirty-nine million, one hundred seventeen thousand, seven hundred two".