1142269269 has 4 divisors (see below), whose sum is σ = 1523025696. Its totient is φ = 761512844.

The previous prime is 1142269259. The next prime is 1142269273. The reversal of 1142269269 is 9629622411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142269269 - 2²⁹ = 605398357 is a prime.

It is a super-2 number, since 2×1142269269² = 2609558165803588722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142269269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142269259) 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 in 3 ways as a sum of consecutive naturals, for example, 190378209 + ... + 190378214.

It is an arithmetic number, because the mean of its divisors is an integer number (380756424).

Almost surely, 2^1142269269 is an apocalyptic number.

It is an amenable number.

1142269269 is a deficient number, since it is larger than the sum of its proper divisors (380756427).

1142269269 is an equidigital number, since it uses as much as digits as its factorization.

1142269269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380756426.

The product of its digits is 93312, while the sum is 42.

The square root of 1142269269 is about 33797.4742991248. The cubic root of 1142269269 is about 1045.3366188893.

The spelling of 1142269269 in words is "one billion, one hundred forty-two million, two hundred sixty-nine thousand, two hundred sixty-nine".