1140275943 has 12 divisors (see below), whose sum is σ = 1647725040. Its totient is φ = 759879456.

The previous prime is 1140275909. The next prime is 1140275947. The reversal of 1140275943 is 3495720411.

1140275943 is a `hidden beast` number, since 1 + 1 + 40 + 27 + 594 + 3 = 666.

It is not a de Polignac number, because 1140275943 - 2²¹ = 1138178791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140275898 and 1140275907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140275947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363 + ... + 47756.

It is an arithmetic number, because the mean of its divisors is an integer number (137310420).

Almost surely, 2^1140275943 is an apocalyptic number.

1140275943 is a deficient number, since it is larger than the sum of its proper divisors (507449097).

1140275943 is a wasteful number, since it uses less digits than its factorization.

1140275943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50758 (or 50755 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1140275943 is about 33767.9721481761. The cubic root of 1140275943 is about 1044.7282072094.

The spelling of 1140275943 in words is "one billion, one hundred forty million, two hundred seventy-five thousand, nine hundred forty-three".