134722459 has 2 divisors, whose sum is σ = 134722460. Its totient is φ = 134722458.

The previous prime is 134722451. The next prime is 134722481. The reversal of 134722459 is 954227431.

134722459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (954227431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134722459 - 2³ = 134722451 is a prime.

It is not a weakly prime, because it can be changed into another prime (134722451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67361229 + 67361230.

It is an arithmetic number, because the mean of its divisors is an integer number (67361230).

Almost surely, 2^134722459 is an apocalyptic number.

134722459 is a deficient number, since it is larger than the sum of its proper divisors (1).

134722459 is an equidigital number, since it uses as much as digits as its factorization.

134722459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 134722459 is about 11607.0004307745. Note that the first 3 decimals coincide. The cubic root of 134722459 is about 512.6409958288.

It can be divided in two parts, 13472 and 2459, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 134722459 in words is "one hundred thirty-four million, seven hundred twenty-two thousand, four hundred fifty-nine".