197319630142 has 8 divisors (see below), whose sum is σ = 308848116816. Its totient is φ = 94370257872.

The previous prime is 197319630113. The next prime is 197319630143. The reversal of 197319630142 is 241036913791.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 4289557177 = 197319630142 / (1 + 9 + 7 + 3 + 1 + 9 + 6 + 3 + 0 + 1 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 197319630092 and 197319630101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197319630143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144778543 + ... + 2144778634.

It is an arithmetic number, because the mean of its divisors is an integer number (38606014602).

Almost surely, 2^197319630142 is an apocalyptic number.

197319630142 is a deficient number, since it is larger than the sum of its proper divisors (111528486674).

197319630142 is a wasteful number, since it uses less digits than its factorization.

197319630142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289557202.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 197319630142 in words is "one hundred ninety-seven billion, three hundred nineteen million, six hundred thirty thousand, one hundred forty-two".