19407482136 has 72 divisors (see below), whose sum is σ = 61143481620. Its totient is φ = 5544993888.

The previous prime is 19407482069. The next prime is 19407482153. The reversal of 19407482136 is 63128470491.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 19407482091 and 19407482100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2746966 + ... + 2754021.

Almost surely, 2^19407482136 is an apocalyptic number.

It is an amenable number.

19407482136 is an abundant number, since it is smaller than the sum of its proper divisors (41735999484).

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

19407482136 is a wasteful number, since it uses less digits than its factorization.

19407482136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501013 (or 5500999 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 19407482136 in words is "nineteen billion, four hundred seven million, four hundred eighty-two thousand, one hundred thirty-six".