139244411 has 2 divisors, whose sum is σ = 139244412. Its totient is φ = 139244410.

The previous prime is 139244401. The next prime is 139244429. The reversal of 139244411 is 114442931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139244411 - 2¹⁴ = 139228027 is a prime.

It is not a weakly prime, because it can be changed into another prime (139244401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69622205 + 69622206.

It is an arithmetic number, because the mean of its divisors is an integer number (69622206).

Almost surely, 2^139244411 is an apocalyptic number.

139244411 is a deficient number, since it is larger than the sum of its proper divisors (1).

139244411 is an equidigital number, since it uses as much as digits as its factorization.

139244411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 139244411 is about 11800.1869052994. The cubic root of 139244411 is about 518.3135837730.

The spelling of 139244411 in words is "one hundred thirty-nine million, two hundred forty-four thousand, four hundred eleven".