1134320639 has 4 divisors (see below), whose sum is σ = 1135511856. Its totient is φ = 1133129424.

The previous prime is 1134320633. The next prime is 1134320683. The reversal of 1134320639 is 9360234311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1134320639 - 2⁴ = 1134320623 is a prime.

It is a super-2 number, since 2×1134320639² = 2573366624122736642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134320633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594179 + ... + 596084.

It is an arithmetic number, because the mean of its divisors is an integer number (283877964).

Almost surely, 2^1134320639 is an apocalyptic number.

1134320639 is a deficient number, since it is larger than the sum of its proper divisors (1191217).

1134320639 is an equidigital number, since it uses as much as digits as its factorization.

1134320639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191216.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1134320639 is about 33679.6769432250. The cubic root of 1134320639 is about 1042.9062690107.

The spelling of 1134320639 in words is "one billion, one hundred thirty-four million, three hundred twenty thousand, six hundred thirty-nine".