19000136335990 has 16 divisors (see below), whose sum is σ = 35124576362352. Its totient is φ = 7394647654944.

The previous prime is 19000136335937. The next prime is 19000136336011. The reversal of 19000136335990 is 9953363100091.

It is a super-2 number, since 2×19000136335990² (a number of 27 digits) contains 22 as substring.

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, 25675859544 + ... + 25675860283.

It is an arithmetic number, because the mean of its divisors is an integer number (2195286022647).

Almost surely, 2^{19000136335990} is an apocalyptic number.

19000136335990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19000136335990 is a deficient number, since it is larger than the sum of its proper divisors (16124440026362).

19000136335990 is a wasteful number, since it uses less digits than its factorization.

19000136335990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51351719871.

The product of its (nonzero) digits is 590490, while the sum is 49.

The spelling of 19000136335990 in words is "nineteen trillion, one hundred thirty-six million, three hundred thirty-five thousand, nine hundred ninety".