539138602 has 8 divisors (see below), whose sum is σ = 828432612. Its totient is φ = 262994400.

The previous prime is 539138599. The next prime is 539138603. The reversal of 539138602 is 206831935.

It can be written as a sum of positive squares in 2 ways, for example, as 539121961 + 16641 = 23219^2 + 129^2 .

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

It is not an unprimeable number, because it can be changed into a prime (539138603) 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, 3287349 + ... + 3287512.

Almost surely, 2^539138602 is an apocalyptic number.

539138602 is a deficient number, since it is larger than the sum of its proper divisors (289294010).

539138602 is a wasteful number, since it uses less digits than its factorization.

539138602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574904.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 539138602 is about 23219.3583460009. The cubic root of 539138602 is about 813.8920556655.

The spelling of 539138602 in words is "five hundred thirty-nine million, one hundred thirty-eight thousand, six hundred two".