1140724513 has 4 divisors (see below), whose sum is σ = 1157750320. Its totient is φ = 1123698708.

The previous prime is 1140724471. The next prime is 1140724573. The reversal of 1140724513 is 3154270411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140724513 - 2⁹ = 1140724001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140724573) 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, 8512803 + ... + 8512936.

It is an arithmetic number, because the mean of its divisors is an integer number (289437580).

Almost surely, 2^1140724513 is an apocalyptic number.

It is an amenable number.

1140724513 is a deficient number, since it is larger than the sum of its proper divisors (17025807).

1140724513 is an equidigital number, since it uses as much as digits as its factorization.

1140724513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025806.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1140724513 is about 33774.6134396828. The cubic root of 1140724513 is about 1044.8651834962.

Adding to 1140724513 its reverse (3154270411), we get a palindrome (4294994924).

The spelling of 1140724513 in words is "one billion, one hundred forty million, seven hundred twenty-four thousand, five hundred thirteen".