134782089 has 8 divisors (see below), whose sum is σ = 193533312. Its totient is φ = 82942800.

The previous prime is 134782073. The next prime is 134782117. The reversal of 134782089 is 980287431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134782089 - 2⁴ = 134782073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134782089.

It is not an unprimeable number, because it can be changed into a prime (134782049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727937 + ... + 1728014.

It is an arithmetic number, because the mean of its divisors is an integer number (24191664).

Almost surely, 2^134782089 is an apocalyptic number.

It is an amenable number.

134782089 is a deficient number, since it is larger than the sum of its proper divisors (58751223).

134782089 is a wasteful number, since it uses less digits than its factorization.

134782089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455967.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 134782089 is about 11609.5688550437. The cubic root of 134782089 is about 512.7166186410.

It can be divided in two parts, 1347 and 82089, that added together give a triangular number (83436 = T₄₀₈).

The spelling of 134782089 in words is "one hundred thirty-four million, seven hundred eighty-two thousand, eighty-nine".