930864139 has 2 divisors, whose sum is σ = 930864140. Its totient is φ = 930864138.

The previous prime is 930864107. The next prime is 930864197. The reversal of 930864139 is 931468039.

It is a weak prime.

It is an emirp because it is prime and its reverse (931468039) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 930864139 - 2⁵ = 930864107 is a prime.

It is a super-2 number, since 2×930864139² = 1733016090552422642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 930864095 and 930864104.

It is not a weakly prime, because it can be changed into another prime (930864839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465432069 + 465432070.

It is an arithmetic number, because the mean of its divisors is an integer number (465432070).

Almost surely, 2^930864139 is an apocalyptic number.

930864139 is a deficient number, since it is larger than the sum of its proper divisors (1).

930864139 is an equidigital number, since it uses as much as digits as its factorization.

930864139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 930864139 is about 30510.0661913409. The cubic root of 930864139 is about 976.4022388401.

The spelling of 930864139 in words is "nine hundred thirty million, eight hundred sixty-four thousand, one hundred thirty-nine".