540136502 has 16 divisors (see below), whose sum is σ = 846692352. Its totient is φ = 258173160.

The previous prime is 540136489. The next prime is 540136511. The reversal of 540136502 is 205631045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62774 + ... + 70857.

It is an arithmetic number, because the mean of its divisors is an integer number (52918272).

Almost surely, 2^540136502 is an apocalyptic number.

540136502 is a deficient number, since it is larger than the sum of its proper divisors (306555850).

540136502 is a wasteful number, since it uses less digits than its factorization.

540136502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133723.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 540136502 is about 23240.8369470637. The cubic root of 540136502 is about 814.3938946484.

Adding to 540136502 its reverse (205631045), we get a palindrome (745767547).

The spelling of 540136502 in words is "five hundred forty million, one hundred thirty-six thousand, five hundred two".