139229613 has 12 divisors (see below), whose sum is σ = 201258720. Its totient is φ = 92750856.

The previous prime is 139229593. The next prime is 139229617. The reversal of 139229613 is 316922931.

It is a happy number.

139229613 is a `hidden beast` number, since 1 + 39 + 2 + 2 + 9 + 613 = 666.

139229613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139229613 - 2⁵ = 139229581 is a prime.

It is a super-2 number, since 2×139229613² = 38769770272259538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139229617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9070 + ... + 18992.

It is an arithmetic number, because the mean of its divisors is an integer number (16771560).

Almost surely, 2^139229613 is an apocalyptic number.

It is an amenable number.

139229613 is a deficient number, since it is larger than the sum of its proper divisors (62029107).

139229613 is a wasteful number, since it uses less digits than its factorization.

139229613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11488 (or 11485 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 139229613 is about 11799.5598646729. The cubic root of 139229613 is about 518.2952221117.

The spelling of 139229613 in words is "one hundred thirty-nine million, two hundred twenty-nine thousand, six hundred thirteen".