134566947 has 32 divisors (see below), whose sum is σ = 204456960. Its totient is φ = 87441120.

The previous prime is 134566937. The next prime is 134566963. The reversal of 134566947 is 749665431.

It is not a de Polignac number, because 134566947 - 2⁷ = 134566819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134566937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387628 + ... + 387974.

It is an arithmetic number, because the mean of its divisors is an integer number (6389280).

Almost surely, 2^134566947 is an apocalyptic number.

134566947 is a deficient number, since it is larger than the sum of its proper divisors (69890013).

134566947 is a wasteful number, since it uses less digits than its factorization.

134566947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 134566947 is about 11600.2994357904. The cubic root of 134566947 is about 512.4436703507.

The spelling of 134566947 in words is "one hundred thirty-four million, five hundred sixty-six thousand, nine hundred forty-seven".