1149312182 has 4 divisors (see below), whose sum is σ = 1723968276. Its totient is φ = 574656090.

The previous prime is 1149312181. The next prime is 1149312193. The reversal of 1149312182 is 2812139411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2812139411 = 2237 ⋅1257103.

It is a super-2 number, since 2×1149312182² = 2641836983387202248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149312181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287328044 + ... + 287328047.

It is an arithmetic number, because the mean of its divisors is an integer number (430992069).

Almost surely, 2^1149312182 is an apocalyptic number.

1149312182 is a deficient number, since it is larger than the sum of its proper divisors (574656094).

1149312182 is an equidigital number, since it uses as much as digits as its factorization.

1149312182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574656093.

The product of its digits is 3456, while the sum is 32.

The square root of 1149312182 is about 33901.5070756449. The cubic root of 1149312182 is about 1047.4806362299.

The spelling of 1149312182 in words is "one billion, one hundred forty-nine million, three hundred twelve thousand, one hundred eighty-two".