540264139997 has 8 divisors (see below), whose sum is σ = 543142104120. Its totient is φ = 537391434240.

The previous prime is 540264139963. The next prime is 540264140047. The reversal of 540264139997 is 799931462045.

It can be written as a sum of positive squares in 4 ways, for example, as 38531334436 + 501732805561 = 196294^2 + 708331^2 .

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 540264139997 - 2³² = 535969172701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540264139397) 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, 1108472 + ... + 1519617.

It is an arithmetic number, because the mean of its divisors is an integer number (67892763015).

Almost surely, 2^540264139997 is an apocalyptic number.

It is an amenable number.

540264139997 is a deficient number, since it is larger than the sum of its proper divisors (2877964123).

540264139997 is a wasteful number, since it uses less digits than its factorization.

540264139997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629183.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 540264139997 in words is "five hundred forty billion, two hundred sixty-four million, one hundred thirty-nine thousand, nine hundred ninety-seven".