134646447 has 16 divisors (see below), whose sum is σ = 196989408. Its totient is φ = 81294720.

The previous prime is 134646427. The next prime is 134646461. The reversal of 134646447 is 744646431.

It is not a de Polignac number, because 134646447 - 2⁸ = 134646191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134646427) 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, 30504 + ... + 34637.

It is an arithmetic number, because the mean of its divisors is an integer number (12311838).

Almost surely, 2^134646447 is an apocalyptic number.

134646447 is a deficient number, since it is larger than the sum of its proper divisors (62342961).

134646447 is a wasteful number, since it uses less digits than its factorization.

134646447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65210.

The product of its digits is 193536, while the sum is 39.

The square root of 134646447 is about 11603.7255655242. The cubic root of 134646447 is about 512.5445649924.

The spelling of 134646447 in words is "one hundred thirty-four million, six hundred forty-six thousand, four hundred forty-seven".