135111139 has 2 divisors, whose sum is σ = 135111140. Its totient is φ = 135111138.

The previous prime is 135111133. The next prime is 135111187. The reversal of 135111139 is 931111531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135111139 - 2¹⁵ = 135078371 is a prime.

It is not a weakly prime, because it can be changed into another prime (135111133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67555569 + 67555570.

It is an arithmetic number, because the mean of its divisors is an integer number (67555570).

Almost surely, 2^135111139 is an apocalyptic number.

135111139 is a deficient number, since it is larger than the sum of its proper divisors (1).

135111139 is an equidigital number, since it uses as much as digits as its factorization.

135111139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 405, while the sum is 25.

The square root of 135111139 is about 11623.7317157615. The cubic root of 135111139 is about 513.1335194763.

The spelling of 135111139 in words is "one hundred thirty-five million, one hundred eleven thousand, one hundred thirty-nine".