2138739529807 has 8 divisors (see below), whose sum is σ = 2232004159584. Its totient is φ = 2045497896288.

The previous prime is 2138739529793. The next prime is 2138739529819. The reversal of 2138739529807 is 7089259378312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2138739529807 - 2¹¹ = 2138739527759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138739529207) 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, 5558868 + ... + 5931145.

It is an arithmetic number, because the mean of its divisors is an integer number (279000519948).

Almost surely, 2^{2138739529807} is an apocalyptic number.

2138739529807 is a deficient number, since it is larger than the sum of its proper divisors (93264629777).

2138739529807 is a wasteful number, since it uses less digits than its factorization.

2138739529807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498129.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 2138739529807 in words is "two trillion, one hundred thirty-eight billion, seven hundred thirty-nine million, five hundred twenty-nine thousand, eight hundred seven".