197019590142 has 16 divisors (see below), whose sum is σ = 394048535040. Its totient is φ = 65671637592.

The previous prime is 197019590129. The next prime is 197019590149. The reversal of 197019590142 is 241095910791.

It is a junction number, because it is equal to n+sod(n) for n = 197019590091 and 197019590100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197019590149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99342 + ... + 635537.

It is an arithmetic number, because the mean of its divisors is an integer number (24628033440).

Almost surely, 2^197019590142 is an apocalyptic number.

197019590142 is an abundant number, since it is smaller than the sum of its proper divisors (197028944898).

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

197019590142 is a wasteful number, since it uses less digits than its factorization.

197019590142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779567.

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 197019590142 in words is "one hundred ninety-seven billion, nineteen million, five hundred ninety thousand, one hundred forty-two".