540138892 has 24 divisors (see below), whose sum is σ = 1002474144. Its totient is φ = 253769472.

The previous prime is 540138887. The next prime is 540138917. The reversal of 540138892 is 298831045.

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, 37858 + ... + 50134.

It is an arithmetic number, because the mean of its divisors is an integer number (41769756).

Almost surely, 2^540138892 is an apocalyptic number.

It is an amenable number.

540138892 is a deficient number, since it is larger than the sum of its proper divisors (462335252).

540138892 is a wasteful number, since it uses less digits than its factorization.

540138892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945 (or 12943 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 540138892 is about 23240.8883651206. Note that the first 3 decimals coincide. The cubic root of 540138892 is about 814.3950958253.

The spelling of 540138892 in words is "five hundred forty million, one hundred thirty-eight thousand, eight hundred ninety-two".