134021200321 has 8 divisors (see below), whose sum is σ = 134788309344. Its totient is φ = 133256280960.

The previous prime is 134021200297. The next prime is 134021200349. The reversal of 134021200321 is 123002120431.

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 a de Polignac number, because none of the positive numbers 2^k-134021200321 is a prime.

It is a super-2 number, since 2×134021200321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134021200021) 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, 424575 + ... + 669556.

It is an arithmetic number, because the mean of its divisors is an integer number (16848538668).

Almost surely, 2^134021200321 is an apocalyptic number.

It is an amenable number.

134021200321 is a deficient number, since it is larger than the sum of its proper divisors (767109023).

134021200321 is a wasteful number, since it uses less digits than its factorization.

134021200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094831.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 134021200321 its reverse (123002120431), we get a palindrome (257023320752).

The spelling of 134021200321 in words is "one hundred thirty-four billion, twenty-one million, two hundred thousand, three hundred twenty-one".