1140240013 has 8 divisors (see below), whose sum is σ = 1250413056. Its totient is φ = 1031152800.

The previous prime is 1140240001. The next prime is 1140240041. The reversal of 1140240013 is 3100420411.

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 1140240013 - 2²¹ = 1138142861 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 (1140240083) 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, 269256 + ... + 273457.

It is an arithmetic number, because the mean of its divisors is an integer number (156301632).

Almost surely, 2^1140240013 is an apocalyptic number.

It is an amenable number.

1140240013 is a deficient number, since it is larger than the sum of its proper divisors (110173043).

1140240013 is a wasteful number, since it uses less digits than its factorization.

1140240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542915.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1140240013 is about 33767.4401309901. The cubic root of 1140240013 is about 1044.7172339945.

Adding to 1140240013 its reverse (3100420411), we get a palindrome (4240660424).

It can be divided in two parts, 11402 and 40013, that added together give a palindrome (51415).

The spelling of 1140240013 in words is "one billion, one hundred forty million, two hundred forty thousand, thirteen".