196387136 has 56 divisors (see below), whose sum is σ = 431231040. Its totient is φ = 87987200.

The previous prime is 196387109. The next prime is 196387141. The reversal of 196387136 is 631783691.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 48020 + ... + 51948.

Almost surely, 2^196387136 is an apocalyptic number.

196387136 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 196387136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215615520).

196387136 is an abundant number, since it is smaller than the sum of its proper divisors (234843904).

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

196387136 is a wasteful number, since it uses less digits than its factorization.

196387136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023 (or 4013 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 196387136 is about 14013.8194650852. The cubic root of 196387136 is about 581.2607691226.

The spelling of 196387136 in words is "one hundred ninety-six million, three hundred eighty-seven thousand, one hundred thirty-six".