134929905 has 16 divisors (see below), whose sum is σ = 235514304. Its totient is φ = 65420480.

The previous prime is 134929871. The next prime is 134929913. The reversal of 134929905 is 509929431.

134929905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 134929905 - 2⁸ = 134929649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408714 + ... + 409043.

It is an arithmetic number, because the mean of its divisors is an integer number (14719644).

Almost surely, 2^134929905 is an apocalyptic number.

134929905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134929905 is a deficient number, since it is larger than the sum of its proper divisors (100584399).

134929905 is a wasteful number, since it uses less digits than its factorization.

134929905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817776.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 134929905 is about 11615.9332384445. The cubic root of 134929905 is about 512.9039828810.

It can be divided in two parts, 134 and 929905, that added together give a palindrome (930039).

The spelling of 134929905 in words is "one hundred thirty-four million, nine hundred twenty-nine thousand, nine hundred five".