19358705136 has 40 divisors (see below), whose sum is σ = 52184338560. Its totient is φ = 6172340416.

The previous prime is 19358705117. The next prime is 19358705141. The reversal of 19358705136 is 63150785391.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8766426 + ... + 8768633.

It is an arithmetic number, because the mean of its divisors is an integer number (1304608464).

Almost surely, 2^19358705136 is an apocalyptic number.

19358705136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19358705136 is an abundant number, since it is smaller than the sum of its proper divisors (32825633424).

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

19358705136 is a wasteful number, since it uses less digits than its factorization.

19358705136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17535093 (or 17535087 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 19358705136 in words is "nineteen billion, three hundred fifty-eight million, seven hundred five thousand, one hundred thirty-six".