1134243399 has 16 divisors (see below), whose sum is σ = 1634948480. Its totient is φ = 697001760.

The previous prime is 1134243359. The next prime is 1134243401. The reversal of 1134243399 is 9933424311.

1134243399 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1134243399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134243329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266797 + ... + 271014.

It is an arithmetic number, because the mean of its divisors is an integer number (102184280).

Almost surely, 2^1134243399 is an apocalyptic number.

1134243399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1134243399 is a deficient number, since it is larger than the sum of its proper divisors (500705081).

1134243399 is a wasteful number, since it uses less digits than its factorization.

1134243399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537870.

The product of its digits is 69984, while the sum is 39.

The square root of 1134243399 is about 33678.5302381205. The cubic root of 1134243399 is about 1042.8825967185.

The spelling of 1134243399 in words is "one billion, one hundred thirty-four million, two hundred forty-three thousand, three hundred ninety-nine".