1140865701 has 16 divisors (see below), whose sum is σ = 1545257088. Its totient is φ = 748563200.

The previous prime is 1140865657. The next prime is 1140865703. The reversal of 1140865701 is 1075680411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1140865701 - 2¹⁵ = 1140832933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140865703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127081 + ... + 135761.

It is an arithmetic number, because the mean of its divisors is an integer number (96578568).

Almost surely, 2^1140865701 is an apocalyptic number.

It is an amenable number.

1140865701 is a deficient number, since it is larger than the sum of its proper divisors (404391387).

1140865701 is an equidigital number, since it uses as much as digits as its factorization.

1140865701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 1140865701 is about 33776.7035247669. The cubic root of 1140865701 is about 1044.9082895333.

The spelling of 1140865701 in words is "one billion, one hundred forty million, eight hundred sixty-five thousand, seven hundred one".