134959789 has 2 divisors, whose sum is σ = 134959790. Its totient is φ = 134959788.

The previous prime is 134959777. The next prime is 134959801. The reversal of 134959789 is 987959431.

It is a balanced prime because it is at equal distance from previous prime (134959777) and next prime (134959801).

It can be written as a sum of positive squares in only one way, i.e., 101666889 + 33292900 = 10083^2 + 5770^2 .

It is a cyclic number.

It is not a de Polignac number, because 134959789 - 2⁷ = 134959661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134959739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67479894 + 67479895.

It is an arithmetic number, because the mean of its divisors is an integer number (67479895).

Almost surely, 2^134959789 is an apocalyptic number.

It is an amenable number.

134959789 is a deficient number, since it is larger than the sum of its proper divisors (1).

134959789 is an equidigital number, since it uses as much as digits as its factorization.

134959789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 134959789 is about 11617.2195038228. The cubic root of 134959789 is about 512.9418457283.

The spelling of 134959789 in words is "one hundred thirty-four million, nine hundred fifty-nine thousand, seven hundred eighty-nine".