1140241637 has 4 divisors (see below), whose sum is σ = 1140518796. Its totient is φ = 1139964480.

The previous prime is 1140241631. The next prime is 1140241643. The reversal of 1140241637 is 7361420411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1140241631) and next prime (1140241643).

It can be written as a sum of positive squares in 2 ways, for example, as 968080996 + 172160641 = 31114^2 + 13121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140241637 - 2¹² = 1140237541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140241631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132314 + ... + 140667.

It is an arithmetic number, because the mean of its divisors is an integer number (285129699).

Almost surely, 2^1140241637 is an apocalyptic number.

It is an amenable number.

1140241637 is a deficient number, since it is larger than the sum of its proper divisors (277159).

1140241637 is an equidigital number, since it uses as much as digits as its factorization.

1140241637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277158.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1140241637 is about 33767.4641778147. The cubic root of 1140241637 is about 1044.7177299778.

The spelling of 1140241637 in words is "one billion, one hundred forty million, two hundred forty-one thousand, six hundred thirty-seven".