544140313 has 8 divisors (see below), whose sum is σ = 557962056. Its totient is φ = 530476800.

The previous prime is 544140307. The next prime is 544140341. The reversal of 544140313 is 313041445.

It can be written as a sum of positive squares in 4 ways, for example, as 91642329 + 452497984 = 9573^2 + 21272^2 .

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 544140313 - 2⁹ = 544139801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544140343) 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, 32578 + ... + 46363.

It is an arithmetic number, because the mean of its divisors is an integer number (69745257).

Almost surely, 2^544140313 is an apocalyptic number.

It is an amenable number.

544140313 is a deficient number, since it is larger than the sum of its proper divisors (13821743).

544140313 is a wasteful number, since it uses less digits than its factorization.

544140313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79115.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 544140313 is about 23326.8153205704. The cubic root of 544140313 is about 816.4011993099.

Adding to 544140313 its reverse (313041445), we get a palindrome (857181758).

It can be divided in two parts, 5441 and 40313, that added together give a palindrome (45754).

The spelling of 544140313 in words is "five hundred forty-four million, one hundred forty thousand, three hundred thirteen".