19300139712 has 504 divisors, whose sum is σ = 69407458848. Its totient is φ = 5005393920.

The previous prime is 19300139701. The next prime is 19300139777. The reversal of 19300139712 is 21793100391.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 65870638 + ... + 65870930.

It is an arithmetic number, because the mean of its divisors is an integer number (137713212).

Almost surely, 2^19300139712 is an apocalyptic number.

19300139712 is a gapful number since it is divisible by the number (12) 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 19300139712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34703729424).

19300139712 is an abundant number, since it is smaller than the sum of its proper divisors (50107319136).

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

19300139712 is a wasteful number, since it uses less digits than its factorization.

19300139712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The spelling of 19300139712 in words is "nineteen billion, three hundred million, one hundred thirty-nine thousand, seven hundred twelve".