197142910 has 32 divisors (see below), whose sum is σ = 366083712. Its totient is φ = 76396800.

The previous prime is 197142893. The next prime is 197142923. The reversal of 197142910 is 19241791.

197142910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45394 + ... + 49546.

It is an arithmetic number, because the mean of its divisors is an integer number (11440116).

Almost surely, 2^197142910 is an apocalyptic number.

197142910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197142910 is a deficient number, since it is larger than the sum of its proper divisors (168940802).

197142910 is a wasteful number, since it uses less digits than its factorization.

197142910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 197142910 is about 14040.7588826245. The cubic root of 197142910 is about 582.0054537500.

The spelling of 197142910 in words is "one hundred ninety-seven million, one hundred forty-two thousand, nine hundred ten".