707427139 has 2 divisors, whose sum is σ = 707427140. Its totient is φ = 707427138.

The previous prime is 707427109. The next prime is 707427163. The reversal of 707427139 is 931724707.

707427139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (931724707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 707427139 - 2⁵ = 707427107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (707427109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353713569 + 353713570.

It is an arithmetic number, because the mean of its divisors is an integer number (353713570).

Almost surely, 2^707427139 is an apocalyptic number.

707427139 is a deficient number, since it is larger than the sum of its proper divisors (1).

707427139 is an equidigital number, since it uses as much as digits as its factorization.

707427139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 707427139 is about 26597.5024955352. The cubic root of 707427139 is about 891.0332396781.

The spelling of 707427139 in words is "seven hundred seven million, four hundred twenty-seven thousand, one hundred thirty-nine".