193139027 has 16 divisors (see below), whose sum is σ = 206807040. Its totient is φ = 179949792.

The previous prime is 193139017. The next prime is 193139071. The reversal of 193139027 is 720931391.

It is a de Polignac number, because none of the positive numbers 2^k-193139027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193139017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402974 + ... + 403452.

It is an arithmetic number, because the mean of its divisors is an integer number (12925440).

Almost surely, 2^193139027 is an apocalyptic number.

193139027 is a deficient number, since it is larger than the sum of its proper divisors (13668013).

193139027 is a wasteful number, since it uses less digits than its factorization.

193139027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 193139027 is about 13897.4467798945. The cubic root of 193139027 is about 578.0383859996.

The spelling of 193139027 in words is "one hundred ninety-three million, one hundred thirty-nine thousand, twenty-seven".