539194147 has 4 divisors (see below), whose sum is σ = 539266336. Its totient is φ = 539121960.

The previous prime is 539194127. The next prime is 539194169. The reversal of 539194147 is 741491935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741491935 = 5 ⋅148298387.

It is a cyclic number.

It is not a de Polignac number, because 539194147 - 2²⁷ = 404976419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539194127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23403 + ... + 40324.

It is an arithmetic number, because the mean of its divisors is an integer number (134816584).

Almost surely, 2^539194147 is an apocalyptic number.

539194147 is a deficient number, since it is larger than the sum of its proper divisors (72189).

539194147 is an equidigital number, since it uses as much as digits as its factorization.

539194147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72188.

The product of its digits is 136080, while the sum is 43.

The square root of 539194147 is about 23220.5544076794. The cubic root of 539194147 is about 813.9200052389.

The spelling of 539194147 in words is "five hundred thirty-nine million, one hundred ninety-four thousand, one hundred forty-seven".