139317602 has 8 divisors (see below), whose sum is σ = 212919516. Its totient is φ = 68344432.

The previous prime is 139317599. The next prime is 139317613. The reversal of 139317602 is 206713931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137851081 + 1466521 = 11741^2 + 1211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657053 + ... + 657264.

Almost surely, 2^139317602 is an apocalyptic number.

139317602 is a deficient number, since it is larger than the sum of its proper divisors (73601914).

139317602 is a wasteful number, since it uses less digits than its factorization.

139317602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314372.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 139317602 is about 11803.2877623144. The cubic root of 139317602 is about 518.4043815399.

The spelling of 139317602 in words is "one hundred thirty-nine million, three hundred seventeen thousand, six hundred two".