197139632 has 10 divisors (see below), whose sum is σ = 381958068. Its totient is φ = 98569808.

The previous prime is 197139629. The next prime is 197139637. The reversal of 197139632 is 236931791.

It is a self number, because there is not a number n which added to its sum of digits gives 197139632.

It is not an unprimeable number, because it can be changed into a prime (197139637) 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 as a sum of consecutive naturals, namely, 6160598 + ... + 6160629.

Almost surely, 2^197139632 is an apocalyptic number.

It is an amenable number.

197139632 is a deficient number, since it is larger than the sum of its proper divisors (184818436).

197139632 is a wasteful number, since it uses less digits than its factorization.

197139632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12321235 (or 12321229 counting only the distinct ones).

The product of its digits is 61236, while the sum is 41.

The square root of 197139632 is about 14040.6421505571. The cubic root of 197139632 is about 582.0022279608.

The spelling of 197139632 in words is "one hundred ninety-seven million, one hundred thirty-nine thousand, six hundred thirty-two".