7139733239 has 2 divisors, whose sum is σ = 7139733240. Its totient is φ = 7139733238.

The previous prime is 7139733203. The next prime is 7139733241. The reversal of 7139733239 is 9323379317.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7139733239 - 2²⁴ = 7122956023 is a prime.

It is a super-2 number, since 2×7139733239² (a number of 21 digits) contains 22 as substring.

Together with 7139733241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7139733193 and 7139733202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7139733259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569866619 + 3569866620.

It is an arithmetic number, because the mean of its divisors is an integer number (3569866620).

Almost surely, 2^7139733239 is an apocalyptic number.

7139733239 is a deficient number, since it is larger than the sum of its proper divisors (1).

7139733239 is an equidigital number, since it uses as much as digits as its factorization.

7139733239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 642978, while the sum is 47.

The square root of 7139733239 is about 84496.9421872768. The cubic root of 7139733239 is about 1925.5759890145.

The spelling of 7139733239 in words is "seven billion, one hundred thirty-nine million, seven hundred thirty-three thousand, two hundred thirty-nine".