446275139 has 2 divisors, whose sum is σ = 446275140. Its totient is φ = 446275138.

The previous prime is 446275127. The next prime is 446275157. The reversal of 446275139 is 931572644.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 446275139 - 2¹² = 446271043 is a prime.

It is a super-2 number, since 2×446275139² = 398322999378938642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 446275096 and 446275105.

It is not a weakly prime, because it can be changed into another prime (446275189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223137569 + 223137570.

It is an arithmetic number, because the mean of its divisors is an integer number (223137570).

Almost surely, 2^446275139 is an apocalyptic number.

446275139 is a deficient number, since it is larger than the sum of its proper divisors (1).

446275139 is an equidigital number, since it uses as much as digits as its factorization.

446275139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 446275139 is about 21125.2251822318. The cubic root of 446275139 is about 764.1892040513.

The spelling of 446275139 in words is "four hundred forty-six million, two hundred seventy-five thousand, one hundred thirty-nine".