539168739 has 8 divisors (see below), whose sum is σ = 718999632. Its totient is φ = 359391840.

The previous prime is 539168723. The next prime is 539168761. The reversal of 539168739 is 937861935.

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

It is not a de Polignac number, because 539168739 - 2⁴ = 539168723 is a prime.

It is a super-2 number, since 2×539168739² = 581405858229700242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 539168691 and 539168700.

It is not an unprimeable number, because it can be changed into a prime (539168789) 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 7 ways as a sum of consecutive naturals, for example, 28269 + ... + 43329.

It is an arithmetic number, because the mean of its divisors is an integer number (89874954).

Almost surely, 2^539168739 is an apocalyptic number.

539168739 is a deficient number, since it is larger than the sum of its proper divisors (179830893).

539168739 is a wasteful number, since it uses less digits than its factorization.

539168739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26997.

The product of its digits is 1224720, while the sum is 51.

The square root of 539168739 is about 23220.0072997405. The cubic root of 539168739 is about 813.9072204782.

The spelling of 539168739 in words is "five hundred thirty-nine million, one hundred sixty-eight thousand, seven hundred thirty-nine".