134453979 has 32 divisors (see below), whose sum is σ = 221011200. Its totient is φ = 80095680.

The previous prime is 134453939. The next prime is 134453987. The reversal of 134453979 is 979354431.

134453979 is a `hidden beast` number, since 1 + 3 + 44 + 539 + 79 = 666.

It is not a de Polignac number, because 134453979 - 2²¹ = 132356827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134453939) 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 31 ways as a sum of consecutive naturals, for example, 13687 + ... + 21359.

It is an arithmetic number, because the mean of its divisors is an integer number (6906600).

Almost surely, 2^134453979 is an apocalyptic number.

134453979 is a deficient number, since it is larger than the sum of its proper divisors (86557221).

134453979 is a wasteful number, since it uses less digits than its factorization.

134453979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752 (or 7746 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 134453979 is about 11595.4292287953. The cubic root of 134453979 is about 512.3002325929.

It can be divided in two parts, 13445 and 3979, that added together give a square (17424 = 132²).

The spelling of 134453979 in words is "one hundred thirty-four million, four hundred fifty-three thousand, nine hundred seventy-nine".