1129146439 has 2 divisors, whose sum is σ = 1129146440. Its totient is φ = 1129146438.

The previous prime is 1129146433. The next prime is 1129146467. The reversal of 1129146439 is 9346419211.

It is a weak prime.

It is an emirp because it is prime and its reverse (9346419211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1129146439 - 2⁷ = 1129146311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129146433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564573219 + 564573220.

It is an arithmetic number, because the mean of its divisors is an integer number (564573220).

Almost surely, 2^1129146439 is an apocalyptic number.

1129146439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129146439 is an equidigital number, since it uses as much as digits as its factorization.

1129146439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 1129146439 is about 33602.7742753482. The cubic root of 1129146439 is about 1041.3181138888.

The spelling of 1129146439 in words is "one billion, one hundred twenty-nine million, one hundred forty-six thousand, four hundred thirty-nine".