139316193 has 20 divisors (see below), whose sum is σ = 210974148. Its totient is φ = 91601280.

The previous prime is 139316183. The next prime is 139316197. The reversal of 139316193 is 391613931.

139316193 is a `hidden beast` number, since 1 + 3 + 9 + 31 + 619 + 3 = 666.

139316193 is digitally balanced in base 2, because in such base 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 52881984 + 86434209 = 7272^2 + 9297^2 .

It is not a de Polignac number, because 139316193 - 2⁵ = 139316161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139316197) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5868 + ... + 17693.

Almost surely, 2^139316193 is an apocalyptic number.

It is an amenable number.

139316193 is a deficient number, since it is larger than the sum of its proper divisors (71657955).

139316193 is an equidigital number, since it uses as much as digits as its factorization.

139316193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23646 (or 23637 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 139316193 is about 11803.2280754038. The cubic root of 139316193 is about 518.4026338922.

The spelling of 139316193 in words is "one hundred thirty-nine million, three hundred sixteen thousand, one hundred ninety-three".