1240144113 has 16 divisors (see below), whose sum is σ = 1781351936. Its totient is φ = 762894720.

The previous prime is 1240144109. The next prime is 1240144141. The reversal of 1240144113 is 3114410421.

1240144113 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1240144113 - 2² = 1240144109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240144113.

It is not an unprimeable number, because it can be changed into a prime (1240144813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207933 + ... + 213813.

It is an arithmetic number, because the mean of its divisors is an integer number (111334496).

Almost surely, 2^1240144113 is an apocalyptic number.

1240144113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1240144113 is a deficient number, since it is larger than the sum of its proper divisors (541207823).

1240144113 is a wasteful number, since it uses less digits than its factorization.

1240144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1240144113 is about 35215.6799309626. The cubic root of 1240144113 is about 1074.3786892526.

Adding to 1240144113 its reverse (3114410421), we get a palindrome (4354554534).

The spelling of 1240144113 in words is "one billion, two hundred forty million, one hundred forty-four thousand, one hundred thirteen".