139748741938 has 16 divisors (see below), whose sum is σ = 227099759040. Its totient is φ = 64113193296.

The previous prime is 139748741921. The next prime is 139748742019. The reversal of 139748741938 is 839147847931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 139748741938.

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, 16088328 + ... + 16097011.

It is an arithmetic number, because the mean of its divisors is an integer number (14193734940).

Almost surely, 2^139748741938 is an apocalyptic number.

139748741938 is a deficient number, since it is larger than the sum of its proper divisors (87351017102).

139748741938 is a wasteful number, since it uses less digits than its factorization.

139748741938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32185521.

The product of its digits is 36578304, while the sum is 64.

The spelling of 139748741938 in words is "one hundred thirty-nine billion, seven hundred forty-eight million, seven hundred forty-one thousand, nine hundred thirty-eight".