139516 has 12 divisors (see below), whose sum is σ = 263032. Its totient is φ = 64368.

The previous prime is 139511. The next prime is 139537. The reversal of 139516 is 615931.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139511) by changing a digit.

139516 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290 + ... + 1393.

2¹³⁹⁵¹⁶ is an apocalyptic number.

It is an amenable number.

139516 is a deficient number, since it is larger than the sum of its proper divisors (123516).

139516 is a wasteful number, since it uses less digits than its factorization.

139516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2698 counting only the distinct ones).

The product of its digits is 810, while the sum is 25.

The square root of 139516 is about 373.5184065076. The cubic root of 139516 is about 51.8650346174.

The spelling of 139516 in words is "one hundred thirty-nine thousand, five hundred sixteen".