134122139 has 2 divisors, whose sum is σ = 134122140. Its totient is φ = 134122138.

The previous prime is 134122133. The next prime is 134122181. The reversal of 134122139 is 931221431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134122139 - 2¹⁶ = 134056603 is a prime.

It is not a weakly prime, because it can be changed into another prime (134122133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67061069 + 67061070.

It is an arithmetic number, because the mean of its divisors is an integer number (67061070).

Almost surely, 2^134122139 is an apocalyptic number.

134122139 is a deficient number, since it is larger than the sum of its proper divisors (1).

134122139 is an equidigital number, since it uses as much as digits as its factorization.

134122139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 134122139 is about 11581.1113024614. Note that the first 3 decimals coincide. The cubic root of 134122139 is about 511.8784234344.

It can be divided in two parts, 13412 and 2139, that added together give a palindrome (15551).

The spelling of 134122139 in words is "one hundred thirty-four million, one hundred twenty-two thousand, one hundred thirty-nine".