1149816213 has 72 divisors (see below), whose sum is σ = 2097871776. Its totient is φ = 601473600.

The previous prime is 1149816169. The next prime is 1149816271. The reversal of 1149816213 is 3126189411.

1149816213 is a `hidden beast` number, since 1 + 1 + 498 + 162 + 1 + 3 = 666.

It is not a de Polignac number, because 1149816213 - 2¹² = 1149812117 is a prime.

It is a super-2 number, since 2×1149816213² = 2644154647355322738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149811213) 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 71 ways as a sum of consecutive naturals, for example, 750258 + ... + 751788.

It is an arithmetic number, because the mean of its divisors is an integer number (29137108).

Almost surely, 2^1149816213 is an apocalyptic number.

1149816213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1149816213 is a deficient number, since it is larger than the sum of its proper divisors (948055563).

1149816213 is a wasteful number, since it uses less digits than its factorization.

1149816213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1685 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1149816213 is about 33908.9400158719. The cubic root of 1149816213 is about 1047.6337381055.

The spelling of 1149816213 in words is "one billion, one hundred forty-nine million, eight hundred sixteen thousand, two hundred thirteen".