540137620 has 48 divisors (see below), whose sum is σ = 1266205248. Its totient is φ = 191842560.

The previous prime is 540137599. The next prime is 540137621. The reversal of 540137620 is 26731045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540137621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19089 + ... + 38008.

It is an arithmetic number, because the mean of its divisors is an integer number (26379276).

Almost surely, 2^540137620 is an apocalyptic number.

It is an amenable number.

540137620 is an abundant number, since it is smaller than the sum of its proper divisors (726067628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540137620 is a wasteful number, since it uses less digits than its factorization.

540137620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57160 (or 57158 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 540137620 is about 23240.8609995413. The cubic root of 540137620 is about 814.3944565383.

Adding to 540137620 its reverse (26731045), we get a palindrome (566868665).

The spelling of 540137620 in words is "five hundred forty million, one hundred thirty-seven thousand, six hundred twenty".