946585139 has 2 divisors, whose sum is σ = 946585140. Its totient is φ = 946585138.

The previous prime is 946585063. The next prime is 946585147. The reversal of 946585139 is 931585649.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 946585139 - 2²⁰ = 945536563 is a prime.

It is not a weakly prime, because it can be changed into another prime (946585169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473292569 + 473292570.

It is an arithmetic number, because the mean of its divisors is an integer number (473292570).

Almost surely, 2^946585139 is an apocalyptic number.

946585139 is a deficient number, since it is larger than the sum of its proper divisors (1).

946585139 is an equidigital number, since it uses as much as digits as its factorization.

946585139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 50.

The square root of 946585139 is about 30766.6237829242. The cubic root of 946585139 is about 981.8682738319.

The spelling of 946585139 in words is "nine hundred forty-six million, five hundred eighty-five thousand, one hundred thirty-nine".