196571136 has 104 divisors (see below), whose sum is σ = 555546384. Its totient is φ = 61603840.

The previous prime is 196571129. The next prime is 196571143. The reversal of 196571136 is 631175691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196571129) and next prime (196571143).

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 196571094 and 196571103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208426 + ... + 209366.

Almost surely, 2^196571136 is an apocalyptic number.

196571136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196571136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277773192).

196571136 is an abundant number, since it is smaller than the sum of its proper divisors (358975248).

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

196571136 is an equidigital number, since it uses as much as digits as its factorization.

196571136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 963 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 196571136 is about 14020.3828763697. The cubic root of 196571136 is about 581.4422450228.

The spelling of 196571136 in words is "one hundred ninety-six million, five hundred seventy-one thousand, one hundred thirty-six".