139260609899 has 4 divisors (see below), whose sum is σ = 139272523200. Its totient is φ = 139248696600.

The previous prime is 139260609871. The next prime is 139260609977. The reversal of 139260609899 is 998906062931.

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 139260609899 - 2²⁰ = 139259561323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139260609869) 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, 5939099 + ... + 5962500.

It is an arithmetic number, because the mean of its divisors is an integer number (34818130800).

Almost surely, 2^139260609899 is an apocalyptic number.

139260609899 is a deficient number, since it is larger than the sum of its proper divisors (11913301).

139260609899 is a wasteful number, since it uses less digits than its factorization.

139260609899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11913300.

The product of its (nonzero) digits is 11337408, while the sum is 62.

The spelling of 139260609899 in words is "one hundred thirty-nine billion, two hundred sixty million, six hundred nine thousand, eight hundred ninety-nine".