540691814 has 16 divisors (see below), whose sum is σ = 873997152. Its totient is φ = 249386688.

The previous prime is 540691799. The next prime is 540691859. The reversal of 540691814 is 418196045.

It is a super-2 number, since 2×540691814² = 584695275453221192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39647 + ... + 51509.

It is an arithmetic number, because the mean of its divisors is an integer number (54624822).

Almost surely, 2^540691814 is an apocalyptic number.

540691814 is a deficient number, since it is larger than the sum of its proper divisors (333305338).

540691814 is a wasteful number, since it uses less digits than its factorization.

540691814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 540691814 is about 23252.7807799411. The cubic root of 540691814 is about 814.6728906715.

The spelling of 540691814 in words is "five hundred forty million, six hundred ninety-one thousand, eight hundred fourteen".