1140513452 has 12 divisors (see below), whose sum is σ = 2149429296. Its totient is φ = 526390800.

The previous prime is 1140513433. The next prime is 1140513457. The reversal of 1140513452 is 2543150411.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1140513457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10966424 + ... + 10966527.

It is an arithmetic number, because the mean of its divisors is an integer number (179119108).

Almost surely, 2^1140513452 is an apocalyptic number.

It is an amenable number.

1140513452 is a deficient number, since it is larger than the sum of its proper divisors (1008915844).

1140513452 is a wasteful number, since it uses less digits than its factorization.

1140513452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21932968 (or 21932966 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1140513452 is about 33771.4887442055. The cubic root of 1140513452 is about 1044.8007379354.

Adding to 1140513452 its reverse (2543150411), we get a palindrome (3683663863).

The spelling of 1140513452 in words is "one billion, one hundred forty million, five hundred thirteen thousand, four hundred fifty-two".