21134162035014 has 72 divisors (see below), whose sum is σ = 51400017469080. Its totient is φ = 5775795793152.

The previous prime is 21134162035009. The next prime is 21134162035031. The reversal of 21134162035014 is 41053026143112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67788619 + ... + 68099670.

It is an arithmetic number, because the mean of its divisors is an integer number (713889131515).

Almost surely, 2^{21134162035014} is an apocalyptic number.

21134162035014 is an abundant number, since it is smaller than the sum of its proper divisors (30265855434066).

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

21134162035014 is a wasteful number, since it uses less digits than its factorization.

21134162035014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135888354 (or 135888324 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 21134162035014 its reverse (41053026143112), we get a palindrome (62187188178126).

The spelling of 21134162035014 in words is "twenty-one trillion, one hundred thirty-four billion, one hundred sixty-two million, thirty-five thousand, fourteen".