540326739 has 4 divisors (see below), whose sum is σ = 720435656. Its totient is φ = 360217824.

The previous prime is 540326723. The next prime is 540326749. The reversal of 540326739 is 937623045.

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

It is not a de Polignac number, because 540326739 - 2⁴ = 540326723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540326697 and 540326706.

It is not an unprimeable number, because it can be changed into a prime (540326719) 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, 90054454 + ... + 90054459.

It is an arithmetic number, because the mean of its divisors is an integer number (180108914).

Almost surely, 2^540326739 is an apocalyptic number.

540326739 is a deficient number, since it is larger than the sum of its proper divisors (180108917).

540326739 is a wasteful number, since it uses less digits than its factorization.

540326739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180108916.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 540326739 is about 23244.9293180255. The cubic root of 540326739 is about 814.4894937335.

The spelling of 540326739 in words is "five hundred forty million, three hundred twenty-six thousand, seven hundred thirty-nine".