1140885637 has 2 divisors, whose sum is σ = 1140885638. Its totient is φ = 1140885636.

The previous prime is 1140885631. The next prime is 1140885667. The reversal of 1140885637 is 7365880411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1032079876 + 108805761 = 32126^2 + 10431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140885637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140885593 and 1140885602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140885631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570442818 + 570442819.

It is an arithmetic number, because the mean of its divisors is an integer number (570442819).

Almost surely, 2^1140885637 is an apocalyptic number.

It is an amenable number.

1140885637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140885637 is an equidigital number, since it uses as much as digits as its factorization.

1140885637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1140885637 is about 33776.9986381265. The cubic root of 1140885637 is about 1044.9143758969.

The spelling of 1140885637 in words is "one billion, one hundred forty million, eight hundred eighty-five thousand, six hundred thirty-seven".