6532139059 has 4 divisors (see below), whose sum is σ = 6532347400. Its totient is φ = 6531930720.

The previous prime is 6532139051. The next prime is 6532139083. The reversal of 6532139059 is 9509312356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6532139059 - 2³ = 6532139051 is a prime.

It is a super-2 number, since 2×6532139059² = 85337681372226810962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6532139051) 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 3 ways as a sum of consecutive naturals, for example, 46497 + ... + 123394.

It is an arithmetic number, because the mean of its divisors is an integer number (1633086850).

Almost surely, 2^6532139059 is an apocalyptic number.

6532139059 is a deficient number, since it is larger than the sum of its proper divisors (208341).

6532139059 is a wasteful number, since it uses less digits than its factorization.

6532139059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208340.

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 6532139059 is about 80821.6496923937. The cubic root of 6532139059 is about 1869.3264047086.

The spelling of 6532139059 in words is "six billion, five hundred thirty-two million, one hundred thirty-nine thousand, fifty-nine".