46168139 has 2 divisors, whose sum is σ = 46168140. Its totient is φ = 46168138.

The previous prime is 46168121. The next prime is 46168189. The reversal of 46168139 is 93186164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46168139 - 2¹² = 46164043 is a prime.

It is not a weakly prime, because it can be changed into another prime (46168189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23084069 + 23084070.

It is an arithmetic number, because the mean of its divisors is an integer number (23084070).

Almost surely, 2^46168139 is an apocalyptic number.

46168139 is a deficient number, since it is larger than the sum of its proper divisors (1).

46168139 is an equidigital number, since it uses as much as digits as its factorization.

46168139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 46168139 is about 6794.7140484350. The cubic root of 46168139 is about 358.7408143107.

The spelling of 46168139 in words is "forty-six million, one hundred sixty-eight thousand, one hundred thirty-nine".