540126577 has 4 divisors (see below), whose sum is σ = 542119936. Its totient is φ = 538133220.

The previous prime is 540126563. The next prime is 540126583. The reversal of 540126577 is 775621045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775621045 = 5 ⋅155124209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540126577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540126527) 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, 996273 + ... + 996814.

It is an arithmetic number, because the mean of its divisors is an integer number (135529984).

Almost surely, 2^540126577 is an apocalyptic number.

It is an amenable number.

540126577 is a deficient number, since it is larger than the sum of its proper divisors (1993359).

540126577 is a wasteful number, since it uses less digits than its factorization.

540126577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993358.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 540126577 is about 23240.6234210703. The cubic root of 540126577 is about 814.3889064593.

The spelling of 540126577 in words is "five hundred forty million, one hundred twenty-six thousand, five hundred seventy-seven".