134541439 has 2 divisors, whose sum is σ = 134541440. Its totient is φ = 134541438.

The previous prime is 134541431. The next prime is 134541497. The reversal of 134541439 is 934145431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134541439 - 2³ = 134541431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134541431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67270719 + 67270720.

It is an arithmetic number, because the mean of its divisors is an integer number (67270720).

Almost surely, 2^134541439 is an apocalyptic number.

134541439 is a deficient number, since it is larger than the sum of its proper divisors (1).

134541439 is an equidigital number, since it uses as much as digits as its factorization.

134541439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 134541439 is about 11599.1999293055. The cubic root of 134541439 is about 512.4112893452.

The spelling of 134541439 in words is "one hundred thirty-four million, five hundred forty-one thousand, four hundred thirty-nine".