540146547 has 18 divisors (see below), whose sum is σ = 808054572. Its totient is φ = 347675664.

The previous prime is 540146539. The next prime is 540146561. The reversal of 540146547 is 745641045.

540146547 is a `hidden beast` number, since 540 + 14 + 65 + 47 = 666.

It is not a de Polignac number, because 540146547 - 2³ = 540146539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540146597) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28113 + ... + 43250.

Almost surely, 2^540146547 is an apocalyptic number.

540146547 is a deficient number, since it is larger than the sum of its proper divisors (267908025).

540146547 is a wasteful number, since it uses less digits than its factorization.

540146547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71427 (or 71395 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 540146547 is about 23241.0530527341. The cubic root of 540146547 is about 814.3989430858.

The spelling of 540146547 in words is "five hundred forty million, one hundred forty-six thousand, five hundred forty-seven".