139896111 has 16 divisors (see below), whose sum is σ = 201705984. Its totient is φ = 85908864.

The previous prime is 139896109. The next prime is 139896121. The reversal of 139896111 is 111698931.

139896111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139896111 - 2¹ = 139896109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139896111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139896121) 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, 26785 + ... + 31578.

It is an arithmetic number, because the mean of its divisors is an integer number (12606624).

Almost surely, 2^139896111 is an apocalyptic number.

139896111 is a deficient number, since it is larger than the sum of its proper divisors (61809873).

139896111 is a wasteful number, since it uses less digits than its factorization.

139896111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58430.

The product of its digits is 11664, while the sum is 39.

The square root of 139896111 is about 11827.7686399422. The cubic root of 139896111 is about 519.1209395878.

It can be divided in two parts, 13989 and 6111, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 139896111 in words is "one hundred thirty-nine million, eight hundred ninety-six thousand, one hundred eleven".