139838847574 has 16 divisors (see below), whose sum is σ = 222074480880. Its totient is φ = 65856564000.

The previous prime is 139838847569. The next prime is 139838847587. The reversal of 139838847574 is 475748838931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10629177 + ... + 10642324.

It is an arithmetic number, because the mean of its divisors is an integer number (13879655055).

Almost surely, 2^139838847574 is an apocalyptic number.

139838847574 is a deficient number, since it is larger than the sum of its proper divisors (82235633306).

139838847574 is a wasteful number, since it uses less digits than its factorization.

139838847574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21271695.

The product of its digits is 162570240, while the sum is 67.

The spelling of 139838847574 in words is "one hundred thirty-nine billion, eight hundred thirty-eight million, eight hundred forty-seven thousand, five hundred seventy-four".