539894137 has 8 divisors (see below), whose sum is σ = 547500800. Its totient is φ = 532306944.

The previous prime is 539894119. The next prime is 539894149. The reversal of 539894137 is 731498935.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539894137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539894237) 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, 56308 + ... + 65194.

It is an arithmetic number, because the mean of its divisors is an integer number (68437600).

Almost surely, 2^539894137 is an apocalyptic number.

It is an amenable number.

539894137 is a deficient number, since it is larger than the sum of its proper divisors (7606663).

539894137 is an equidigital number, since it uses as much as digits as its factorization.

539894137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9735.

The product of its digits is 816480, while the sum is 49.

The square root of 539894137 is about 23235.6221565079. The cubic root of 539894137 is about 814.2720673540.

The spelling of 539894137 in words is "five hundred thirty-nine million, eight hundred ninety-four thousand, one hundred thirty-seven".