1140613 has 4 divisors (see below), whose sum is σ = 1162188. Its totient is φ = 1119040.

The previous prime is 1140611. The next prime is 1140619. The reversal of 1140613 is 3160411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 708964 + 431649 = 842^2 + 657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140613 - 2¹ = 1140611 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 (1140611) 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, 10708 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (290547).

2^1140613 is an apocalyptic number.

It is an amenable number.

1140613 is a deficient number, since it is larger than the sum of its proper divisors (21575).

1140613 is an equidigital number, since it uses as much as digits as its factorization.

1140613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21574.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1140613 is about 1067.9948501748. The cubic root of 1140613 is about 104.4831135004.

The spelling of 1140613 in words is "one million, one hundred forty thousand, six hundred thirteen".