2134451321345 has 8 divisors (see below), whose sum is σ = 2927247526464. Its totient is φ = 1463623763184.

The previous prime is 2134451321333. The next prime is 2134451321369. The reversal of 2134451321345 is 5431231544312.

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 2134451321345 - 2²⁰ = 2134450272769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2134451321299 and 2134451321308.

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, 30492161699 + ... + 30492161768.

It is an arithmetic number, because the mean of its divisors is an integer number (365905940808).

Almost surely, 2^{2134451321345} is an apocalyptic number.

It is an amenable number.

2134451321345 is a deficient number, since it is larger than the sum of its proper divisors (792796205119).

2134451321345 is an equidigital number, since it uses as much as digits as its factorization.

2134451321345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60984323479.

The product of its digits is 172800, while the sum is 38.

Adding to 2134451321345 its reverse (5431231544312), we get a palindrome (7565682865657).

The spelling of 2134451321345 in words is "two trillion, one hundred thirty-four billion, four hundred fifty-one million, three hundred twenty-one thousand, three hundred forty-five".