540113977 has 4 divisors (see below), whose sum is σ = 581661220. Its totient is φ = 498566736.

The previous prime is 540113971. The next prime is 540113983. The reversal of 540113977 is 779311045.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (540113971) and next prime (540113983).

It can be written as a sum of positive squares in 2 ways, for example, as 64176121 + 475937856 = 8011^2 + 21816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540113977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540113971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20773602 + ... + 20773627.

It is an arithmetic number, because the mean of its divisors is an integer number (145415305).

Almost surely, 2^540113977 is an apocalyptic number.

It is an amenable number.

540113977 is a deficient number, since it is larger than the sum of its proper divisors (41547243).

540113977 is a wasteful number, since it uses less digits than its factorization.

540113977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41547242.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 540113977 is about 23240.3523424237. The cubic root of 540113977 is about 814.3825737585.

The spelling of 540113977 in words is "five hundred forty million, one hundred thirteen thousand, nine hundred seventy-seven".