708534139 has 2 divisors, whose sum is σ = 708534140. Its totient is φ = 708534138.

The previous prime is 708534133. The next prime is 708534191. The reversal of 708534139 is 931435807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 708534139 - 2¹³ = 708525947 is a prime.

It is a super-2 number, since 2×708534139² = 1004041252256942642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (708534133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354267069 + 354267070.

It is an arithmetic number, because the mean of its divisors is an integer number (354267070).

Almost surely, 2^708534139 is an apocalyptic number.

708534139 is a deficient number, since it is larger than the sum of its proper divisors (1).

708534139 is an equidigital number, since it uses as much as digits as its factorization.

708534139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 708534139 is about 26618.3045853788. The cubic root of 708534139 is about 891.4977679609.

The spelling of 708534139 in words is "seven hundred eight million, five hundred thirty-four thousand, one hundred thirty-nine".