540715634 has 16 divisors (see below), whose sum is σ = 861898968. Its totient is φ = 253531392.

The previous prime is 540715631. The next prime is 540715657. The reversal of 540715634 is 436517045.

It can be written as a sum of positive squares in 4 ways, for example, as 334707025 + 206008609 = 18295^2 + 14353^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 540715594 and 540715603.

It is not an unprimeable number, because it can be changed into a prime (540715631) by changing a digit.

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, 19289 + ... + 38124.

Almost surely, 2^540715634 is an apocalyptic number.

540715634 is a deficient number, since it is larger than the sum of its proper divisors (321183334).

540715634 is a wasteful number, since it uses less digits than its factorization.

540715634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57709.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 540715634 is about 23253.2929711041. The cubic root of 540715634 is about 814.6848538778.

The spelling of 540715634 in words is "five hundred forty million, seven hundred fifteen thousand, six hundred thirty-four".