2158134020349 has 16 divisors (see below), whose sum is σ = 3065453529600. Its totient is φ = 1346609937456.

The previous prime is 2158134020299. The next prime is 2158134020411. The reversal of 2158134020349 is 9430204318512.

It is a happy number.

It is not a de Polignac number, because 2158134020349 - 2¹¹ = 2158134018301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2158134020349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158134021349) 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, 228079609 + ... + 228089070.

It is an arithmetic number, because the mean of its divisors is an integer number (191590845600).

Almost surely, 2^{2158134020349} is an apocalyptic number.

It is an amenable number.

2158134020349 is a deficient number, since it is larger than the sum of its proper divisors (907319509251).

2158134020349 is a wasteful number, since it uses less digits than its factorization.

2158134020349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456168784.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 2158134020349 in words is "two trillion, one hundred fifty-eight billion, one hundred thirty-four million, twenty thousand, three hundred forty-nine".