139050602 has 8 divisors (see below), whose sum is σ = 209319012. Its totient is φ = 69277600.

The previous prime is 139050553. The next prime is 139050623. The reversal of 139050602 is 206050931.

139050602 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134073241 + 4977361 = 11579^2 + 2231^2 .

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, 123149 + ... + 124272.

Almost surely, 2^139050602 is an apocalyptic number.

139050602 is a deficient number, since it is larger than the sum of its proper divisors (70268410).

139050602 is a wasteful number, since it uses less digits than its factorization.

139050602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247704.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 139050602 is about 11791.9719300887. The cubic root of 139050602 is about 518.0729984629.

The spelling of 139050602 in words is "one hundred thirty-nine million, fifty thousand, six hundred two".