10197138 has 16 divisors (see below), whose sum is σ = 23307840. Its totient is φ = 2913456.

The previous prime is 10197137. The next prime is 10197157. The reversal of 10197138 is 83179101.

It is not an unprimeable number, because it can be changed into a prime (10197137) by changing a digit.

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, 121353 + ... + 121436.

It is an arithmetic number, because the mean of its divisors is an integer number (1456740).

Almost surely, 2^10197138 is an apocalyptic number.

10197138 is an abundant number, since it is smaller than the sum of its proper divisors (13110702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10197138 is a wasteful number, since it uses less digits than its factorization.

10197138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242801.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 10197138 is about 3193.2957896192. The cubic root of 10197138 is about 216.8500028771.

The spelling of 10197138 in words is "ten million, one hundred ninety-seven thousand, one hundred thirty-eight".