1129313269 has 8 divisors (see below), whose sum is σ = 1292803200. Its totient is φ = 966363216.

The previous prime is 1129313261. The next prime is 1129313293. The reversal of 1129313269 is 9623139211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1129313269 - 2³ = 1129313261 is a prime.

It is a super-2 number, since 2×1129313269² = 2550696919078932722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129313261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130474 + ... + 138859.

It is an arithmetic number, because the mean of its divisors is an integer number (161600400).

Almost surely, 2^1129313269 is an apocalyptic number.

It is an amenable number.

1129313269 is a deficient number, since it is larger than the sum of its proper divisors (163489931).

1129313269 is an equidigital number, since it uses as much as digits as its factorization.

1129313269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269939.

The product of its digits is 17496, while the sum is 37.

The square root of 1129313269 is about 33605.2565679835. The cubic root of 1129313269 is about 1041.3693958542.

The spelling of 1129313269 in words is "one billion, one hundred twenty-nine million, three hundred thirteen thousand, two hundred sixty-nine".