1149133464 has 24 divisors (see below), whose sum is σ = 3112236660. Its totient is φ = 383044464.

The previous prime is 1149133463. The next prime is 1149133477. The reversal of 1149133464 is 4643319411.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149133463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7980022 + ... + 7980165.

Almost surely, 2^1149133464 is an apocalyptic number.

It is an amenable number.

1149133464 is an abundant number, since it is smaller than the sum of its proper divisors (1963103196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149133464 is a wasteful number, since it uses less digits than its factorization.

1149133464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15960199 (or 15960192 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1149133464 is about 33898.8711316468. The cubic root of 1149133464 is about 1047.4263390159.

The spelling of 1149133464 in words is "one billion, one hundred forty-nine million, one hundred thirty-three thousand, four hundred sixty-four".