134638967 has 16 divisors (see below), whose sum is σ = 144050400. Its totient is φ = 125596800.

The previous prime is 134638949. The next prime is 134638981. The reversal of 134638967 is 769836431.

It is a happy number.

134638967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 134638967 - 2¹⁴ = 134622583 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 (134638927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191717 + ... + 192417.

It is an arithmetic number, because the mean of its divisors is an integer number (9003150).

Almost surely, 2^134638967 is an apocalyptic number.

134638967 is a deficient number, since it is larger than the sum of its proper divisors (9411433).

134638967 is a wasteful number, since it uses less digits than its factorization.

134638967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its digits is 653184, while the sum is 47.

The square root of 134638967 is about 11603.4032507709. The cubic root of 134638967 is about 512.5350737051.

The spelling of 134638967 in words is "one hundred thirty-four million, six hundred thirty-eight thousand, nine hundred sixty-seven".