540131636 has 12 divisors (see below), whose sum is σ = 1031160480. Its totient is φ = 245514360.

The previous prime is 540131597. The next prime is 540131659. The reversal of 540131636 is 636131045.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 540131599 and 540131608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6137816 + ... + 6137903.

It is an arithmetic number, because the mean of its divisors is an integer number (85930040).

Almost surely, 2^540131636 is an apocalyptic number.

It is an amenable number.

540131636 is a deficient number, since it is larger than the sum of its proper divisors (491028844).

540131636 is a wasteful number, since it uses less digits than its factorization.

540131636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275734 (or 12275732 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 540131636 is about 23240.7322604087. The cubic root of 540131636 is about 814.3914490613.

The spelling of 540131636 in words is "five hundred forty million, one hundred thirty-one thousand, six hundred thirty-six".