19131902625140 has 24 divisors (see below), whose sum is σ = 40177138297632. Its totient is φ = 7652733852960.

The previous prime is 19131902625137. The next prime is 19131902625221. The reversal of 19131902625140 is 4152620913191.

It is a junction number, because it is equal to n+sod(n) for n = 19131902625091 and 19131902625100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4646387 + ... + 7736453.

It is an arithmetic number, because the mean of its divisors is an integer number (1674047429068).

Almost surely, 2^{19131902625140} is an apocalyptic number.

19131902625140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19131902625140 is an abundant number, since it is smaller than the sum of its proper divisors (21045235672492).

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

19131902625140 is a wasteful number, since it uses less digits than its factorization.

19131902625140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399647 (or 3399645 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 19131902625140 in words is "nineteen trillion, one hundred thirty-one billion, nine hundred two million, six hundred twenty-five thousand, one hundred forty".