134438679 has 12 divisors (see below), whose sum is σ = 194734800. Its totient is φ = 89373984.

The previous prime is 134438663. The next prime is 134438701. The reversal of 134438679 is 976834431.

It is not a de Polignac number, because 134438679 - 2⁴ = 134438663 is a prime.

It is a super-2 number, since 2×134438679² = 36147516822530082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134438609) 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 11 ways as a sum of consecutive naturals, for example, 17574 + ... + 24035.

It is an arithmetic number, because the mean of its divisors is an integer number (16227900).

Almost surely, 2^134438679 is an apocalyptic number.

134438679 is a deficient number, since it is larger than the sum of its proper divisors (60296121).

134438679 is a wasteful number, since it uses less digits than its factorization.

134438679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41974 (or 41971 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 134438679 is about 11594.7694673072. The cubic root of 134438679 is about 512.2807996961.

It can be divided in two parts, 13443 and 8679, that added together give a palindrome (22122).

The spelling of 134438679 in words is "one hundred thirty-four million, four hundred thirty-eight thousand, six hundred seventy-nine".