134518971 has 16 divisors (see below), whose sum is σ = 182841120. Its totient is φ = 87955200.

The previous prime is 134518963. The next prime is 134518981. The reversal of 134518971 is 179815431.

It is not a de Polignac number, because 134518971 - 2³ = 134518963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134518981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30991 + ... + 35063.

It is an arithmetic number, because the mean of its divisors is an integer number (11427570).

Almost surely, 2^134518971 is an apocalyptic number.

134518971 is a deficient number, since it is larger than the sum of its proper divisors (48322149).

134518971 is a wasteful number, since it uses less digits than its factorization.

134518971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286.

The product of its digits is 30240, while the sum is 39.

The square root of 134518971 is about 11598.2313737914. The cubic root of 134518971 is about 512.3827640624.

It can be divided in two parts, 13451 and 8971, that added together give a palindrome (22422).

The spelling of 134518971 in words is "one hundred thirty-four million, five hundred eighteen thousand, nine hundred seventy-one".