1149265317 has 4 divisors (see below), whose sum is σ = 1532353760. Its totient is φ = 766176876.

The previous prime is 1149265309. The next prime is 1149265319. The reversal of 1149265317 is 7135629411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1149265317 - 2³ = 1149265309 is a prime.

It is a super-2 number, since 2×1149265317² = 2641621537718220978, 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 (1149265319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191544217 + ... + 191544222.

It is an arithmetic number, because the mean of its divisors is an integer number (383088440).

Almost surely, 2^1149265317 is an apocalyptic number.

It is an amenable number.

1149265317 is a deficient number, since it is larger than the sum of its proper divisors (383088443).

1149265317 is an equidigital number, since it uses as much as digits as its factorization.

1149265317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383088442.

The product of its digits is 45360, while the sum is 39.

The square root of 1149265317 is about 33900.8158751379. The cubic root of 1149265317 is about 1047.4663984832.

The spelling of 1149265317 in words is "one billion, one hundred forty-nine million, two hundred sixty-five thousand, three hundred seventeen".