5185233139 has 2 divisors, whose sum is σ = 5185233140. Its totient is φ = 5185233138.

The previous prime is 5185233127. The next prime is 5185233173. The reversal of 5185233139 is 9313325815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5185233139 - 2⁹ = 5185232627 is a prime.

It is not a weakly prime, because it can be changed into another prime (5185233239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592616569 + 2592616570.

It is an arithmetic number, because the mean of its divisors is an integer number (2592616570).

Almost surely, 2^5185233139 is an apocalyptic number.

5185233139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185233139 is an equidigital number, since it uses as much as digits as its factorization.

5185233139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 40.

The square root of 5185233139 is about 72008.5629560818. The cubic root of 5185233139 is about 1730.8367029794.

The spelling of 5185233139 in words is "five billion, one hundred eighty-five million, two hundred thirty-three thousand, one hundred thirty-nine".