197189013 has 16 divisors (see below), whose sum is σ = 307467776. Its totient is φ = 110058480.

The previous prime is 197188997. The next prime is 197189029. The reversal of 197189013 is 310981791.

It is an interprime number because it is at equal distance from previous prime (197188997) and next prime (197189029).

It is not a de Polignac number, because 197189013 - 2⁴ = 197188997 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197189513) 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, 108283 + ... + 110088.

It is an arithmetic number, because the mean of its divisors is an integer number (19216736).

Almost surely, 2^197189013 is an apocalyptic number.

It is an amenable number.

197189013 is a deficient number, since it is larger than the sum of its proper divisors (110278763).

197189013 is a wasteful number, since it uses less digits than its factorization.

197189013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218424.

The product of its (nonzero) digits is 13608, while the sum is 39.

The square root of 197189013 is about 14042.4005426423. The cubic root of 197189013 is about 582.0508186515.

The spelling of 197189013 in words is "one hundred ninety-seven million, one hundred eighty-nine thousand, thirteen".