197134745 has 8 divisors (see below), whose sum is σ = 237605184. Its totient is φ = 157012144.

The previous prime is 197134739. The next prime is 197134757. The reversal of 197134745 is 547431791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197134745 - 2⁶ = 197134681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85709 + ... + 87978.

It is an arithmetic number, because the mean of its divisors is an integer number (29700648).

Almost surely, 2^197134745 is an apocalyptic number.

It is an amenable number.

197134745 is a deficient number, since it is larger than the sum of its proper divisors (40470439).

197134745 is a wasteful number, since it uses less digits than its factorization.

197134745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173919.

The product of its digits is 105840, while the sum is 41.

The square root of 197134745 is about 14040.4681189767. The cubic root of 197134745 is about 581.9974187326.

The spelling of 197134745 in words is "one hundred ninety-seven million, one hundred thirty-four thousand, seven hundred forty-five".