139254584838 has 32 divisors (see below), whose sum is σ = 282845122560. Its totient is φ = 45701117280.

The previous prime is 139254584837. The next prime is 139254584857. The reversal of 139254584838 is 838485452931.

139254584838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139254584837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597693 + ... + 797336.

It is an arithmetic number, because the mean of its divisors is an integer number (8838910080).

Almost surely, 2^139254584838 is an apocalyptic number.

139254584838 is an abundant number, since it is smaller than the sum of its proper divisors (143590537722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139254584838 is a wasteful number, since it uses less digits than its factorization.

139254584838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395292.

The product of its digits is 33177600, while the sum is 60.

The spelling of 139254584838 in words is "one hundred thirty-nine billion, two hundred fifty-four million, five hundred eighty-four thousand, eight hundred thirty-eight".