134975869 has 16 divisors (see below), whose sum is σ = 166814208. Its totient is φ = 106566912.

The previous prime is 134975851. The next prime is 134975873. The reversal of 134975869 is 968579431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 134975869 - 2⁵ = 134975837 is a prime.

It is a super-2 number, since 2×134975869² = 36436970424610322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134975809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6474 + ... + 17659.

It is an arithmetic number, because the mean of its divisors is an integer number (10425888).

Almost surely, 2^134975869 is an apocalyptic number.

It is an amenable number.

134975869 is a deficient number, since it is larger than the sum of its proper divisors (31838339).

134975869 is a wasteful number, since it uses less digits than its factorization.

134975869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24204.

The product of its digits is 1632960, while the sum is 52.

The square root of 134975869 is about 11617.9115593122. The cubic root of 134975869 is about 512.9622166783.

The spelling of 134975869 in words is "one hundred thirty-four million, nine hundred seventy-five thousand, eight hundred sixty-nine".