219137140999 has 16 divisors (see below), whose sum is σ = 259367776000. Its totient is φ = 185028355512.

The previous prime is 219137140991. The next prime is 219137141057. The reversal of 219137140999 is 999041731912.

It is not a de Polignac number, because 219137140999 - 2³ = 219137140991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219137140991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4744809 + ... + 4790770.

It is an arithmetic number, because the mean of its divisors is an integer number (16210486000).

Almost surely, 2^219137140999 is an apocalyptic number.

219137140999 is a deficient number, since it is larger than the sum of its proper divisors (40230635001).

219137140999 is an frugal number, since it uses more digits than its factorization.

219137140999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9535667 (or 9535653 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 219137140999 in words is "two hundred nineteen billion, one hundred thirty-seven million, one hundred forty thousand, nine hundred ninety-nine".