1140441653 has 8 divisors (see below), whose sum is σ = 1231267128. Its totient is φ = 1050058944.

The previous prime is 1140441649. The next prime is 1140441661. The reversal of 1140441653 is 3561440411.

It can be written as a sum of positive squares in 4 ways, for example, as 21003889 + 1119437764 = 4583^2 + 33458^2 .

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 1140441653 - 2² = 1140441649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140441613) 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, 105326 + ... + 115647.

It is an arithmetic number, because the mean of its divisors is an integer number (153908391).

Almost surely, 2^1140441653 is an apocalyptic number.

1140441653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1140441653 is a deficient number, since it is larger than the sum of its proper divisors (90825475).

1140441653 is a wasteful number, since it uses less digits than its factorization.

1140441653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221383.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1140441653 is about 33770.4257154096. The cubic root of 1140441653 is about 1044.7788129499.

The spelling of 1140441653 in words is "one billion, one hundred forty million, four hundred forty-one thousand, six hundred fifty-three".