134340789 has 32 divisors (see below), whose sum is σ = 203356800. Its totient is φ = 78140160.

The previous prime is 134340757. The next prime is 134340803. The reversal of 134340789 is 987043431.

It is not a de Polignac number, because 134340789 - 2⁵ = 134340757 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134340709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218847 + ... + 219459.

It is an arithmetic number, because the mean of its divisors is an integer number (6354900).

Almost surely, 2^134340789 is an apocalyptic number.

It is an amenable number.

134340789 is a deficient number, since it is larger than the sum of its proper divisors (69016011).

134340789 is a wasteful number, since it uses less digits than its factorization.

134340789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 134340789 is about 11590.5473986348. The cubic root of 134340789 is about 512.1564323535.

The spelling of 134340789 in words is "one hundred thirty-four million, three hundred forty thousand, seven hundred eighty-nine".