139383605 has 8 divisors (see below), whose sum is σ = 167961600. Its totient is φ = 111039376.

The previous prime is 139383593. The next prime is 139383619. The reversal of 139383605 is 506383931.

139383605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 139383605 - 2¹² = 139379509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57125 + ... + 59514.

It is an arithmetic number, because the mean of its divisors is an integer number (20995200).

Almost surely, 2^139383605 is an apocalyptic number.

It is an amenable number.

139383605 is a deficient number, since it is larger than the sum of its proper divisors (28577995).

139383605 is a wasteful number, since it uses less digits than its factorization.

139383605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116883.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 139383605 is about 11806.0833895073. The cubic root of 139383605 is about 518.4862349020.

The spelling of 139383605 in words is "one hundred thirty-nine million, three hundred eighty-three thousand, six hundred five".