1140035461 has 4 divisors (see below), whose sum is σ = 1153770912. Its totient is φ = 1126300012.

The previous prime is 1140035441. The next prime is 1140035489. The reversal of 1140035461 is 1645300411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140035461 - 2²⁵ = 1106481029 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 (1140035401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6867601 + ... + 6867766.

It is an arithmetic number, because the mean of its divisors is an integer number (288442728).

Almost surely, 2^1140035461 is an apocalyptic number.

It is an amenable number.

1140035461 is a deficient number, since it is larger than the sum of its proper divisors (13735451).

1140035461 is an equidigital number, since it uses as much as digits as its factorization.

1140035461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735450.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1140035461 is about 33764.4111602735. The cubic root of 1140035461 is about 1044.6547583235.

Adding to 1140035461 its reverse (1645300411), we get a palindrome (2785335872).

The spelling of 1140035461 in words is "one billion, one hundred forty million, thirty-five thousand, four hundred sixty-one".