1140497185 has 8 divisors (see below), whose sum is σ = 1368944640. Its totient is φ = 912165744.

The previous prime is 1140497179. The next prime is 1140497203. The reversal of 1140497185 is 5817940411.

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 1140497185 - 2⁵ = 1140497153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5665 + ... + 48094.

It is an arithmetic number, because the mean of its divisors is an integer number (171118080).

Almost surely, 2^1140497185 is an apocalyptic number.

It is an amenable number.

1140497185 is a deficient number, since it is larger than the sum of its proper divisors (228447455).

1140497185 is an equidigital number, since it uses as much as digits as its factorization.

1140497185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58007.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1140497185 is about 33771.2479040974. The cubic root of 1140497185 is about 1044.7957706245.

The spelling of 1140497185 in words is "one billion, one hundred forty million, four hundred ninety-seven thousand, one hundred eighty-five".