1144536133 has 8 divisors (see below), whose sum is σ = 1265890808. Its totient is φ = 1027940544.

The previous prime is 1144536091. The next prime is 1144536139. The reversal of 1144536133 is 3316354411.

It can be written as a sum of positive squares in 4 ways, for example, as 278823204 + 865712929 = 16698^2 + 29423^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1144536133 - 2⁹ = 1144535621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144536095 and 1144536104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144536139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189266 + ... + 1190227.

It is an arithmetic number, because the mean of its divisors is an integer number (158236351).

Almost surely, 2^1144536133 is an apocalyptic number.

1144536133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1144536133 is a deficient number, since it is larger than the sum of its proper divisors (121354675).

1144536133 is a wasteful number, since it uses less digits than its factorization.

1144536133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379543.

The product of its digits is 12960, while the sum is 31.

The square root of 1144536133 is about 33830.9936744400. The cubic root of 1144536133 is about 1046.0276614786.

The spelling of 1144536133 in words is "one billion, one hundred forty-four million, five hundred thirty-six thousand, one hundred thirty-three".