5639302138 has 4 divisors (see below), whose sum is σ = 8458953210. Its totient is φ = 2819651068.

The previous prime is 5639302079. The next prime is 5639302147. The reversal of 5639302138 is 8312039365.

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

It can be written as a sum of positive squares in only one way, i.e., 4822885809 + 816416329 = 69447^2 + 28573^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5639302138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409825533 + ... + 1409825536.

Almost surely, 2^5639302138 is an apocalyptic number.

5639302138 is a deficient number, since it is larger than the sum of its proper divisors (2819651072).

5639302138 is a wasteful number, since it uses less digits than its factorization.

5639302138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819651071.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 5639302138 is about 75095.2870558466. The cubic root of 5639302138 is about 1779.9526707527.

The spelling of 5639302138 in words is "five billion, six hundred thirty-nine million, three hundred two thousand, one hundred thirty-eight".