1140134665 has 8 divisors (see below), whose sum is σ = 1448641800. Its totient is φ = 858454272.

The previous prime is 1140134663. The next prime is 1140134689. The reversal of 1140134665 is 5664310411.

It can be written as a sum of positive squares in 4 ways, for example, as 62916624 + 1077218041 = 7932^2 + 32821^2 .

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 1140134665 - 2¹ = 1140134663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140134663) 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, 6706590 + ... + 6706759.

It is an arithmetic number, because the mean of its divisors is an integer number (181080225).

Almost surely, 2^1140134665 is an apocalyptic number.

It is an amenable number.

1140134665 is a deficient number, since it is larger than the sum of its proper divisors (308507135).

1140134665 is a wasteful number, since it uses less digits than its factorization.

1140134665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413371.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1140134665 is about 33765.8801899195. The cubic root of 1140134665 is about 1044.6850588210.

The spelling of 1140134665 in words is "one billion, one hundred forty million, one hundred thirty-four thousand, six hundred sixty-five".