134197947 has 24 divisors (see below), whose sum is σ = 209611584. Its totient is φ = 82243584.

The previous prime is 134197909. The next prime is 134197957. The reversal of 134197947 is 749791431.

It is not a de Polignac number, because 134197947 - 2¹¹ = 134195899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134197907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27838 + ... + 32300.

It is an arithmetic number, because the mean of its divisors is an integer number (8733816).

Almost surely, 2^134197947 is an apocalyptic number.

134197947 is a deficient number, since it is larger than the sum of its proper divisors (75413637).

134197947 is a wasteful number, since it uses less digits than its factorization.

134197947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4736 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 134197947 is about 11584.3837557291. The cubic root of 134197947 is about 511.9748459220.

The spelling of 134197947 in words is "one hundred thirty-four million, one hundred ninety-seven thousand, nine hundred forty-seven".