139533858819 has 32 divisors (see below), whose sum is σ = 207149096000. Its totient is φ = 92828270592.

The previous prime is 139533858791. The next prime is 139533858857. The reversal of 139533858819 is 918858335931.

139533858819 is a `hidden beast` number, since 1 + 3 + 9 + 5 + 3 + 38 + 588 + 19 = 666.

It is not a de Polignac number, because 139533858819 - 2¹² = 139533854723 is a prime.

It is a super-2 number, since 2×139533858819² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139533858619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43372299 + ... + 43375515.

It is an arithmetic number, because the mean of its divisors is an integer number (6473409250).

Almost surely, 2^139533858819 is an apocalyptic number.

139533858819 is a deficient number, since it is larger than the sum of its proper divisors (67615237181).

139533858819 is a wasteful number, since it uses less digits than its factorization.

139533858819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084 (or 6078 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 63.

The spelling of 139533858819 in words is "one hundred thirty-nine billion, five hundred thirty-three million, eight hundred fifty-eight thousand, eight hundred nineteen".