196139232 has 120 divisors (see below), whose sum is σ = 595691712. Its totient is φ = 63244800.

The previous prime is 196139227. The next prime is 196139243. The reversal of 196139232 is 232931691.

It is a happy number.

196139232 is a `hidden beast` number, since 1 + 9 + 613 + 9 + 2 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79132 + ... + 81572.

Almost surely, 2^196139232 is an apocalyptic number.

196139232 is a gapful number since it is divisible by the number (12) 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 196139232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297845856).

196139232 is an abundant number, since it is smaller than the sum of its proper divisors (399552480).

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

196139232 is a wasteful number, since it uses less digits than its factorization.

196139232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2477 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 196139232 is about 14004.9716886540. The cubic root of 196139232 is about 581.0160865236.

The spelling of 196139232 in words is "one hundred ninety-six million, one hundred thirty-nine thousand, two hundred thirty-two".