1134349921 has 2 divisors, whose sum is σ = 1134349922. Its totient is φ = 1134349920.

The previous prime is 1134349883. The next prime is 1134349927. The reversal of 1134349921 is 1299434311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994519296 + 139830625 = 31536^2 + 11825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134349921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1134349927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567174960 + 567174961.

It is an arithmetic number, because the mean of its divisors is an integer number (567174961).

Almost surely, 2^1134349921 is an apocalyptic number.

It is an amenable number.

1134349921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134349921 is an equidigital number, since it uses as much as digits as its factorization.

1134349921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 1134349921 is about 33680.1116536154. Note that the first 3 decimals coincide. The cubic root of 1134349921 is about 1042.9152429926.

The spelling of 1134349921 in words is "one billion, one hundred thirty-four million, three hundred forty-nine thousand, nine hundred twenty-one".