1134039891 has 8 divisors (see below), whose sum is σ = 1512423360. Its totient is φ = 755841512.

The previous prime is 1134039877. The next prime is 1134039919. The reversal of 1134039891 is 1989304311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1134039891 - 2⁶ = 1134039827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1134039811) 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 7 ways as a sum of consecutive naturals, for example, 31281 + ... + 56978.

It is an arithmetic number, because the mean of its divisors is an integer number (189052920).

Almost surely, 2^1134039891 is an apocalyptic number.

1134039891 is a deficient number, since it is larger than the sum of its proper divisors (378383469).

1134039891 is an equidigital number, since it uses as much as digits as its factorization.

1134039891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92545.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1134039891 is about 33675.5087712124. The cubic root of 1134039891 is about 1042.8202210279.

The spelling of 1134039891 in words is "one billion, one hundred thirty-four million, thirty-nine thousand, eight hundred ninety-one".