1140462065 has 8 divisors (see below), whose sum is σ = 1368864360. Its totient is φ = 912163072.

The previous prime is 1140462049. The next prime is 1140462067. The reversal of 1140462065 is 5602640411.

It can be written as a sum of positive squares in 4 ways, for example, as 3356224 + 1137105841 = 1832^2 + 33721^2 .

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 1140462065 - 2⁴ = 1140462049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140462067) 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, 1001 + ... + 47769.

It is an arithmetic number, because the mean of its divisors is an integer number (171108045).

Almost surely, 2^1140462065 is an apocalyptic number.

It is an amenable number.

1140462065 is a deficient number, since it is larger than the sum of its proper divisors (228402295).

1140462065 is an equidigital number, since it uses as much as digits as its factorization.

1140462065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51651.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1140462065 is about 33770.7279311536. The cubic root of 1140462065 is about 1044.7850461778.

The spelling of 1140462065 in words is "one billion, one hundred forty million, four hundred sixty-two thousand, sixty-five".