196332138 has 24 divisors (see below), whose sum is σ = 436884708. Its totient is φ = 63675072.

The previous prime is 196332121. The next prime is 196332139. The reversal of 196332138 is 831233691.

196332138 is a `hidden beast` number, since 1 + 9 + 633 + 2 + 13 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 192182769 + 4149369 = 13863^2 + 2037^2 .

It is not an unprimeable number, because it can be changed into a prime (196332139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146731 + ... + 148062.

Almost surely, 2^196332138 is an apocalyptic number.

196332138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

196332138 is an abundant number, since it is smaller than the sum of its proper divisors (240552570).

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

196332138 is a wasteful number, since it uses less digits than its factorization.

196332138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294838 (or 294835 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 196332138 is about 14011.8570503699. The cubic root of 196332138 is about 581.2065035783.

The spelling of 196332138 in words is "one hundred ninety-six million, three hundred thirty-two thousand, one hundred thirty-eight".