19924514136 has 80 divisors (see below), whose sum is σ = 56640153240. Its totient is φ = 6542363520.

The previous prime is 19924514123. The next prime is 19924514149. The reversal of 19924514136 is 63141542991.

19924514136 is a `hidden beast` number, since 19 + 92 + 4 + 514 + 1 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (19924514123) and next prime (19924514149).

It is a junction number, because it is equal to n+sod(n) for n = 19924514091 and 19924514100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 186045 + ... + 272876.

Almost surely, 2^19924514136 is an apocalyptic number.

It is an amenable number.

19924514136 is an abundant number, since it is smaller than the sum of its proper divisors (36715639104).

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

19924514136 is a wasteful number, since it uses less digits than its factorization.

19924514136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459006 (or 458993 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 19924514136 in words is "nineteen billion, nine hundred twenty-four million, five hundred fourteen thousand, one hundred thirty-six".