196559136 has 60 divisors (see below), whose sum is σ = 578082582. Its totient is φ = 65518848.

The previous prime is 196559131. The next prime is 196559171. The reversal of 196559136 is 631955691.

196559136 is a `hidden beast` number, since 1 + 96 + 559 + 1 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128595600 + 67963536 = 11340^2 + 8244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196559091 and 196559100.

It is not an unprimeable number, because it can be changed into a prime (196559131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35325 + ... + 40508.

Almost surely, 2^196559136 is an apocalyptic number.

196559136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

196559136 is an abundant number, since it is smaller than the sum of its proper divisors (381523446).

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

196559136 is an equidigital number, since it uses as much as digits as its factorization.

196559136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75855 (or 75838 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 196559136 is about 14019.9549214682. The cubic root of 196559136 is about 581.4304130908.

The spelling of 196559136 in words is "one hundred ninety-six million, five hundred fifty-nine thousand, one hundred thirty-six".