134538287 has 8 divisors (see below), whose sum is σ = 145348896. Its totient is φ = 123793632.

The previous prime is 134538281. The next prime is 134538311. The reversal of 134538287 is 782835431.

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

It is a cyclic number.

It is not a de Polignac number, because 134538287 - 2²⁰ = 133489711 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 (134538281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12203 + ... + 20444.

It is an arithmetic number, because the mean of its divisors is an integer number (18168612).

Almost surely, 2^134538287 is an apocalyptic number.

134538287 is a deficient number, since it is larger than the sum of its proper divisors (10810609).

134538287 is a wasteful number, since it uses less digits than its factorization.

134538287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32977.

The product of its digits is 161280, while the sum is 41.

The square root of 134538287 is about 11599.0640570694. The cubic root of 134538287 is about 512.4072877701.

The spelling of 134538287 in words is "one hundred thirty-four million, five hundred thirty-eight thousand, two hundred eighty-seven".