1140345497 has 8 divisors (see below), whose sum is σ = 1190488320. Its totient is φ = 1090249600.

The previous prime is 1140345463. The next prime is 1140345517. The reversal of 1140345497 is 7945430411.

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 1140345497 - 2²⁸ = 871910041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140345497.

It is not an unprimeable number, because it can be changed into a prime (1140345457) 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, 43529 + ... + 64617.

It is an arithmetic number, because the mean of its divisors is an integer number (148811040).

Almost surely, 2^1140345497 is an apocalyptic number.

It is an amenable number.

1140345497 is a deficient number, since it is larger than the sum of its proper divisors (50142823).

1140345497 is a wasteful number, since it uses less digits than its factorization.

1140345497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23463.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1140345497 is about 33769.0020136811. The cubic root of 1140345497 is about 1044.7494487193.

The spelling of 1140345497 in words is "one billion, one hundred forty million, three hundred forty-five thousand, four hundred ninety-seven".