19936156 has 6 divisors (see below), whose sum is σ = 34888280. Its totient is φ = 9968076.

The previous prime is 19936153. The next prime is 19936157. The reversal of 19936156 is 65163991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19936151) by changing a digit.

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 as a sum of consecutive naturals, namely, 2492016 + ... + 2492023.

Almost surely, 2^19936156 is an apocalyptic number.

It is an amenable number.

19936156 is a deficient number, since it is larger than the sum of its proper divisors (14952124).

19936156 is a wasteful number, since it uses less digits than its factorization.

19936156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984043 (or 4984041 counting only the distinct ones).

The product of its digits is 43740, while the sum is 40.

The square root of 19936156 is about 4464.9922732296. The cubic root of 19936156 is about 271.1526216461.

The spelling of 19936156 in words is "nineteen million, nine hundred thirty-six thousand, one hundred fifty-six".