197134407 has 12 divisors (see below), whose sum is σ = 285465024. Its totient is φ = 131092800.

The previous prime is 197134393. The next prime is 197134423. The reversal of 197134407 is 704431791.

It is not a de Polignac number, because 197134407 - 2⁴ = 197134391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197134447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23703 + ... + 30920.

It is an arithmetic number, because the mean of its divisors is an integer number (23788752).

Almost surely, 2^197134407 is an apocalyptic number.

197134407 is a deficient number, since it is larger than the sum of its proper divisors (88330617).

197134407 is a wasteful number, since it uses less digits than its factorization.

197134407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55030 (or 55027 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 197134407 is about 14040.4560823358. The cubic root of 197134407 is about 581.9970861086.

The spelling of 197134407 in words is "one hundred ninety-seven million, one hundred thirty-four thousand, four hundred seven".