540286739 has 2 divisors, whose sum is σ = 540286740. Its totient is φ = 540286738.

The previous prime is 540286729. The next prime is 540286751. The reversal of 540286739 is 937682045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540286739 - 2¹² = 540282643 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540286739.

It is not a weakly prime, because it can be changed into another prime (540286729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270143369 + 270143370.

It is an arithmetic number, because the mean of its divisors is an integer number (270143370).

Almost surely, 2^540286739 is an apocalyptic number.

540286739 is a deficient number, since it is larger than the sum of its proper divisors (1).

540286739 is an equidigital number, since it uses as much as digits as its factorization.

540286739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 540286739 is about 23244.0688993988. The cubic root of 540286739 is about 814.4693945469.

The spelling of 540286739 in words is "five hundred forty million, two hundred eighty-six thousand, seven hundred thirty-nine".