134238487 has 8 divisors (see below), whose sum is σ = 135502704. Its totient is φ = 132979968.

The previous prime is 134238457. The next prime is 134238499. The reversal of 134238487 is 784832431.

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 134238487 - 2²⁷ = 20759 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 (134238427) 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, 56373 + ... + 58705.

It is an arithmetic number, because the mean of its divisors is an integer number (16937838).

Almost surely, 2^134238487 is an apocalyptic number.

134238487 is a deficient number, since it is larger than the sum of its proper divisors (1264217).

134238487 is a wasteful number, since it uses less digits than its factorization.

134238487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849.

The product of its digits is 129024, while the sum is 40.

The square root of 134238487 is about 11586.1333929832. The cubic root of 134238487 is about 512.0263950727.

The spelling of 134238487 in words is "one hundred thirty-four million, two hundred thirty-eight thousand, four hundred eighty-seven".