1156316794 has 8 divisors (see below), whose sum is σ = 1767201300. Its totient is φ = 567249696.

The previous prime is 1156316773. The next prime is 1156316857. The reversal of 1156316794 is 4976136511.

It can be written as a sum of positive squares in 2 ways, for example, as 1139400025 + 16916769 = 33755^2 + 4113^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1156316794.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5454219 + ... + 5454430.

Almost surely, 2^1156316794 is an apocalyptic number.

1156316794 is a deficient number, since it is larger than the sum of its proper divisors (610884506).

1156316794 is a wasteful number, since it uses less digits than its factorization.

1156316794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908704.

The product of its digits is 136080, while the sum is 43.

The square root of 1156316794 is about 34004.6584161641. The cubic root of 1156316794 is about 1049.6043237790.

The spelling of 1156316794 in words is "one billion, one hundred fifty-six million, three hundred sixteen thousand, seven hundred ninety-four".