139069433 has 2 divisors, whose sum is σ = 139069434. Its totient is φ = 139069432.

The previous prime is 139069423. The next prime is 139069459. The reversal of 139069433 is 334960931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119946304 + 19123129 = 10952^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 139069433 - 2⁶ = 139069369 is a prime.

It is not a weakly prime, because it can be changed into another prime (139069423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69534716 + 69534717.

It is an arithmetic number, because the mean of its divisors is an integer number (69534717).

Almost surely, 2^139069433 is an apocalyptic number.

It is an amenable number.

139069433 is a deficient number, since it is larger than the sum of its proper divisors (1).

139069433 is an equidigital number, since it uses as much as digits as its factorization.

139069433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 139069433 is about 11792.7703700191. The cubic root of 139069433 is about 518.0963841756.

The spelling of 139069433 in words is "one hundred thirty-nine million, sixty-nine thousand, four hundred thirty-three".