1240441313 has 8 divisors (see below), whose sum is σ = 1301859648. Its totient is φ = 1179646864.

The previous prime is 1240441289. The next prime is 1240441333. The reversal of 1240441313 is 3131440421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1240441313 - 2²² = 1236247009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240441333) 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 7 ways as a sum of consecutive naturals, for example, 151895 + ... + 159852.

It is an arithmetic number, because the mean of its divisors is an integer number (162732456).

Almost surely, 2^1240441313 is an apocalyptic number.

It is an amenable number.

1240441313 is a deficient number, since it is larger than the sum of its proper divisors (61418335).

1240441313 is a wasteful number, since it uses less digits than its factorization.

1240441313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311943.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1240441313 is about 35219.8993894077. The cubic root of 1240441313 is about 1074.4645071935.

Adding to 1240441313 its reverse (3131440421), we get a palindrome (4371881734).

The spelling of 1240441313 in words is "one billion, two hundred forty million, four hundred forty-one thousand, three hundred thirteen".