139884341 has 2 divisors, whose sum is σ = 139884342. Its totient is φ = 139884340.

The previous prime is 139884337. The next prime is 139884359. The reversal of 139884341 is 143488931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 37773316 = 10105^2 + 6146^2 .

It is a cyclic number.

It is not a de Polignac number, because 139884341 - 2² = 139884337 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139884301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69942170 + 69942171.

It is an arithmetic number, because the mean of its divisors is an integer number (69942171).

Almost surely, 2^139884341 is an apocalyptic number.

It is an amenable number.

139884341 is a deficient number, since it is larger than the sum of its proper divisors (1).

139884341 is an equidigital number, since it uses as much as digits as its factorization.

139884341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 139884341 is about 11827.2710715532. The cubic root of 139884341 is about 519.1063806298.

The spelling of 139884341 in words is "one hundred thirty-nine million, eight hundred eighty-four thousand, three hundred forty-one".