1139962429 has 2 divisors, whose sum is σ = 1139962430. Its totient is φ = 1139962428.

The previous prime is 1139962403. The next prime is 1139962459. The reversal of 1139962429 is 9242699311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1082278404 + 57684025 = 32898^2 + 7595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139962429 - 2²⁵ = 1106407997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139962459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569981214 + 569981215.

It is an arithmetic number, because the mean of its divisors is an integer number (569981215).

Almost surely, 2^1139962429 is an apocalyptic number.

It is an amenable number.

1139962429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139962429 is an equidigital number, since it uses as much as digits as its factorization.

1139962429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 1139962429 is about 33763.3296491919. The cubic root of 1139962429 is about 1044.6324505802.

The spelling of 1139962429 in words is "one billion, one hundred thirty-nine million, nine hundred sixty-two thousand, four hundred twenty-nine".