134026789 has 4 divisors (see below), whose sum is σ = 144336556. Its totient is φ = 123717024.

The previous prime is 134026769. The next prime is 134026807. The reversal of 134026789 is 987620431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71537764 + 62489025 = 8458^2 + 7905^2 .

It is a cyclic number.

It is not a de Polignac number, because 134026789 - 2⁵ = 134026757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134026769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5154864 + ... + 5154889.

It is an arithmetic number, because the mean of its divisors is an integer number (36084139).

Almost surely, 2^134026789 is an apocalyptic number.

It is an amenable number.

134026789 is a deficient number, since it is larger than the sum of its proper divisors (10309767).

134026789 is a wasteful number, since it uses less digits than its factorization.

134026789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309766.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 134026789 is about 11576.9939535270. The cubic root of 134026789 is about 511.7570932829.

The spelling of 134026789 in words is "one hundred thirty-four million, twenty-six thousand, seven hundred eighty-nine".