246012139 has 2 divisors, whose sum is σ = 246012140. Its totient is φ = 246012138.

The previous prime is 246012121. The next prime is 246012157. The reversal of 246012139 is 931210642.

It is a balanced prime because it is at equal distance from previous prime (246012121) and next prime (246012157).

It is a cyclic number.

It is not a de Polignac number, because 246012139 - 2²¹ = 243914987 is a prime.

It is not a weakly prime, because it can be changed into another prime (246012119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123006069 + 123006070.

It is an arithmetic number, because the mean of its divisors is an integer number (123006070).

Almost surely, 2^246012139 is an apocalyptic number.

246012139 is a deficient number, since it is larger than the sum of its proper divisors (1).

246012139 is an equidigital number, since it uses as much as digits as its factorization.

246012139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 246012139 is about 15684.7741137703. The cubic root of 246012139 is about 626.5929617871.

The spelling of 246012139 in words is "two hundred forty-six million, twelve thousand, one hundred thirty-nine".