139580393 has 8 divisors (see below), whose sum is σ = 144526080. Its totient is φ = 134643600.

The previous prime is 139580377. The next prime is 139580401. The reversal of 139580393 is 393085931.

139580393 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 139580393 - 2⁴ = 139580377 is a prime.

It is a super-2 number, since 2×139580393² = 38965372220068898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139580393.

It is not an unprimeable number, because it can be changed into a prime (139580303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55346 + ... + 57812.

It is an arithmetic number, because the mean of its divisors is an integer number (18065760).

Almost surely, 2^139580393 is an apocalyptic number.

It is an amenable number.

139580393 is a deficient number, since it is larger than the sum of its proper divisors (4945687).

139580393 is a wasteful number, since it uses less digits than its factorization.

139580393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 139580393 is about 11814.4146279026. The cubic root of 139580393 is about 518.7301275012.

The spelling of 139580393 in words is "one hundred thirty-nine million, five hundred eighty thousand, three hundred ninety-three".