2135219291839 has 8 divisors (see below), whose sum is σ = 2140218190880. Its totient is φ = 2130220705536.

The previous prime is 2135219291837. The next prime is 2135219291867. The reversal of 2135219291839 is 9381929125312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2135219291839 - 2¹ = 2135219291837 is a prime.

It is a super-2 number, since 2×2135219291839² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135219291839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135219291837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19034614 + ... + 19146460.

It is an arithmetic number, because the mean of its divisors is an integer number (267527273860).

Almost surely, 2^{2135219291839} is an apocalyptic number.

2135219291839 is a deficient number, since it is larger than the sum of its proper divisors (4998899041).

2135219291839 is a wasteful number, since it uses less digits than its factorization.

2135219291839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156369.

The product of its digits is 2099520, while the sum is 55.

The spelling of 2135219291839 in words is "two trillion, one hundred thirty-five billion, two hundred nineteen million, two hundred ninety-one thousand, eight hundred thirty-nine".