139437838941 has 16 divisors (see below), whose sum is σ = 191154501888. Its totient is φ = 90356601600.

The previous prime is 139437838921. The next prime is 139437838979. The reversal of 139437838941 is 149838734931.

It is not a de Polignac number, because 139437838941 - 2⁵ = 139437838909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139437838921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058256 + ... + 2124921.

It is an arithmetic number, because the mean of its divisors is an integer number (11947156368).

Almost surely, 2^139437838941 is an apocalyptic number.

It is an amenable number.

139437838941 is a deficient number, since it is larger than the sum of its proper divisors (51716662947).

139437838941 is a wasteful number, since it uses less digits than its factorization.

139437838941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183492.

The product of its digits is 15676416, while the sum is 60.

The spelling of 139437838941 in words is "one hundred thirty-nine billion, four hundred thirty-seven million, eight hundred thirty-eight thousand, nine hundred forty-one".