139411143 has 6 divisors (see below), whose sum is σ = 201371664. Its totient is φ = 92940756.

The previous prime is 139411081. The next prime is 139411157. The reversal of 139411143 is 341114931.

It is not a de Polignac number, because 139411143 - 2¹⁰ = 139410119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139411163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7745055 + ... + 7745072.

It is an arithmetic number, because the mean of its divisors is an integer number (33561944).

Almost surely, 2^139411143 is an apocalyptic number.

139411143 is a deficient number, since it is larger than the sum of its proper divisors (61960521).

139411143 is a wasteful number, since it uses less digits than its factorization.

139411143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15490133 (or 15490130 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 139411143 is about 11807.2495950581. The cubic root of 139411143 is about 518.5203784053.

The spelling of 139411143 in words is "one hundred thirty-nine million, four hundred eleven thousand, one hundred forty-three".