540197737 has 8 divisors (see below), whose sum is σ = 548850600. Its totient is φ = 531578880.

The previous prime is 540197731. The next prime is 540197741. The reversal of 540197737 is 737791045.

It can be written as a sum of positive squares in 4 ways, for example, as 94945536 + 445252201 = 9744^2 + 21101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540197737 - 2²³ = 531809129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540197693 and 540197702.

It is not an unprimeable number, because it can be changed into a prime (540197731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24537 + ... + 41017.

It is an arithmetic number, because the mean of its divisors is an integer number (68606325).

Almost surely, 2^540197737 is an apocalyptic number.

It is an amenable number.

540197737 is a deficient number, since it is larger than the sum of its proper divisors (8652863).

540197737 is a wasteful number, since it uses less digits than its factorization.

540197737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 540197737 is about 23242.1543106486. The cubic root of 540197737 is about 814.4246692924.

The spelling of 540197737 in words is "five hundred forty million, one hundred ninety-seven thousand, seven hundred thirty-seven".