1134721369 has 2 divisors, whose sum is σ = 1134721370. Its totient is φ = 1134721368.

The previous prime is 1134721351. The next prime is 1134721373. The reversal of 1134721369 is 9631274311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 983136025 + 151585344 = 31355^2 + 12312^2 .

It is a cyclic number.

It is not a de Polignac number, because 1134721369 - 2⁵ = 1134721337 is a prime.

It is a super-2 number, since 2×1134721369² = 2575185170530468322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1134721349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567360684 + 567360685.

It is an arithmetic number, because the mean of its divisors is an integer number (567360685).

Almost surely, 2^1134721369 is an apocalyptic number.

It is an amenable number.

1134721369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134721369 is an equidigital number, since it uses as much as digits as its factorization.

1134721369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 1134721369 is about 33685.6255545299. The cubic root of 1134721369 is about 1043.0290663369.

The spelling of 1134721369 in words is "one billion, one hundred thirty-four million, seven hundred twenty-one thousand, three hundred sixty-nine".