139889411 has 2 divisors, whose sum is σ = 139889412. Its totient is φ = 139889410.

The previous prime is 139889377. The next prime is 139889429. The reversal of 139889411 is 114988931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139889411 - 2¹⁰ = 139888387 is a prime.

It is not a weakly prime, because it can be changed into another prime (139889471) 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, 69944705 + 69944706.

It is an arithmetic number, because the mean of its divisors is an integer number (69944706).

Almost surely, 2^139889411 is an apocalyptic number.

139889411 is a deficient number, since it is larger than the sum of its proper divisors (1).

139889411 is an equidigital number, since it uses as much as digits as its factorization.

139889411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 44.

The square root of 139889411 is about 11827.4854047680. The cubic root of 139889411 is about 519.1126520908.

It can be divided in two parts, 1398 and 89411, that added together give a palindrome (90809).

The spelling of 139889411 in words is "one hundred thirty-nine million, eight hundred eighty-nine thousand, four hundred eleven".