1134198727 has 4 divisors (see below), whose sum is σ = 1134289096. Its totient is φ = 1134108360.

The previous prime is 1134198719. The next prime is 1134198733. The reversal of 1134198727 is 7278914311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1134198727 - 2³ = 1134198719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134198827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22593 + ... + 52714.

It is an arithmetic number, because the mean of its divisors is an integer number (283572274).

Almost surely, 2^1134198727 is an apocalyptic number.

1134198727 is a deficient number, since it is larger than the sum of its proper divisors (90369).

1134198727 is an equidigital number, since it uses as much as digits as its factorization.

1134198727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90368.

The product of its digits is 84672, while the sum is 43.

The square root of 1134198727 is about 33677.8670197505. The cubic root of 1134198727 is about 1042.8689052824.

The spelling of 1134198727 in words is "one billion, one hundred thirty-four million, one hundred ninety-eight thousand, seven hundred twenty-seven".