1149655213 has 8 divisors (see below), whose sum is σ = 1314135360. Its totient is φ = 985236000.

The previous prime is 1149655153. The next prime is 1149655219. The reversal of 1149655213 is 3125569411.

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

It is a de Polignac number, because none of the positive numbers 2^k-1149655213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149655219) 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, 37278 + ... + 60736.

It is an arithmetic number, because the mean of its divisors is an integer number (164266920).

Almost surely, 2^1149655213 is an apocalyptic number.

It is an amenable number.

1149655213 is a deficient number, since it is larger than the sum of its proper divisors (164480147).

1149655213 is an equidigital number, since it uses as much as digits as its factorization.

1149655213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30467.

The product of its digits is 32400, while the sum is 37.

The square root of 1149655213 is about 33906.5659275604. The cubic root of 1149655213 is about 1047.5848384341.

The spelling of 1149655213 in words is "one billion, one hundred forty-nine million, six hundred fifty-five thousand, two hundred thirteen".