540699913 has 8 divisors (see below), whose sum is σ = 591838856. Its totient is φ = 490924800.

The previous prime is 540699877. The next prime is 540699917. The reversal of 540699913 is 319996045.

It can be written as a sum of positive squares in 4 ways, for example, as 1159929 + 539539984 = 1077^2 + 23228^2 .

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 540699913 - 2²⁵ = 507145481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540699917) 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, 340128 + ... + 341713.

It is an arithmetic number, because the mean of its divisors is an integer number (73979857).

Almost surely, 2^540699913 is an apocalyptic number.

It is an amenable number.

540699913 is a deficient number, since it is larger than the sum of its proper divisors (51138943).

540699913 is a wasteful number, since it uses less digits than its factorization.

540699913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681915.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 540699913 is about 23252.9549305029. The cubic root of 540699913 is about 814.6769583015.

The spelling of 540699913 in words is "five hundred forty million, six hundred ninety-nine thousand, nine hundred thirteen".