70459139 has 2 divisors, whose sum is σ = 70459140. Its totient is φ = 70459138.

The previous prime is 70459127. The next prime is 70459141. The reversal of 70459139 is 93195407.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70459139 - 2¹² = 70455043 is a prime.

Together with 70459141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70459199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35229569 + 35229570.

It is an arithmetic number, because the mean of its divisors is an integer number (35229570).

Almost surely, 2^70459139 is an apocalyptic number.

70459139 is a deficient number, since it is larger than the sum of its proper divisors (1).

70459139 is an equidigital number, since it uses as much as digits as its factorization.

70459139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 70459139 is about 8393.9942220614. The cubic root of 70459139 is about 413.0276350602.

The spelling of 70459139 in words is "seventy million, four hundred fifty-nine thousand, one hundred thirty-nine".