134634405 has 16 divisors (see below), whose sum is σ = 215578944. Its totient is φ = 71750400.

The previous prime is 134634403. The next prime is 134634473. The reversal of 134634405 is 504436431.

It is not a de Polignac number, because 134634405 - 2¹ = 134634403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134634403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24130 + ... + 29180.

It is an arithmetic number, because the mean of its divisors is an integer number (13473684).

Almost surely, 2^134634405 is an apocalyptic number.

134634405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134634405 is a deficient number, since it is larger than the sum of its proper divisors (80944539).

134634405 is a wasteful number, since it uses less digits than its factorization.

134634405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 134634405 is about 11603.2066688481. The cubic root of 134634405 is about 512.5292848624.

The spelling of 134634405 in words is "one hundred thirty-four million, six hundred thirty-four thousand, four hundred five".