134038789 has 4 divisors (see below), whose sum is σ = 134078956. Its totient is φ = 133998624.

The previous prime is 134038763. The next prime is 134038811. The reversal of 134038789 is 987830431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 987830431 = 7 ⋅141118633.

It can be written as a sum of positive squares in 2 ways, for example, as 6461764 + 127577025 = 2542^2 + 11295^2 .

It is a cyclic number.

It is not a de Polignac number, because 134038789 - 2¹³ = 134030597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134038759) 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, 14574 + ... + 21919.

It is an arithmetic number, because the mean of its divisors is an integer number (33519739).

Almost surely, 2^134038789 is an apocalyptic number.

It is an amenable number.

134038789 is a deficient number, since it is larger than the sum of its proper divisors (40167).

134038789 is an equidigital number, since it uses as much as digits as its factorization.

134038789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40166.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 134038789 is about 11577.5122111790. The cubic root of 134038789 is about 511.7723661049.

The spelling of 134038789 in words is "one hundred thirty-four million, thirty-eight thousand, seven hundred eighty-nine".