412002139 has 2 divisors, whose sum is σ = 412002140. Its totient is φ = 412002138.

The previous prime is 412002131. The next prime is 412002167. The reversal of 412002139 is 931200214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 412002139 - 2³ = 412002131 is a prime.

It is not a weakly prime, because it can be changed into another prime (412002131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206001069 + 206001070.

It is an arithmetic number, because the mean of its divisors is an integer number (206001070).

Almost surely, 2^412002139 is an apocalyptic number.

412002139 is a deficient number, since it is larger than the sum of its proper divisors (1).

412002139 is an equidigital number, since it uses as much as digits as its factorization.

412002139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 412002139 is about 20297.8358205992. The cubic root of 412002139 is about 744.1031738012.

The spelling of 412002139 in words is "four hundred twelve million, two thousand, one hundred thirty-nine".