540691767 has 144 divisors (see below), whose sum is σ = 1059641856. Its totient is φ = 269438400.

The previous prime is 540691757. The next prime is 540691771. The reversal of 540691767 is 767196045.

It is a happy number.

It is not a de Polignac number, because 540691767 - 2¹¹ = 540689719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540691757) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7615342 + ... + 7615412.

It is an arithmetic number, because the mean of its divisors is an integer number (7358624).

Almost surely, 2^540691767 is an apocalyptic number.

540691767 is a deficient number, since it is larger than the sum of its proper divisors (518950089).

540691767 is a wasteful number, since it uses less digits than its factorization.

540691767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 540691767 is about 23252.7797693093. The cubic root of 540691767 is about 814.6728670661.

The spelling of 540691767 in words is "five hundred forty million, six hundred ninety-one thousand, seven hundred sixty-seven".