134220382321 has 9 divisors (see below), whose sum is σ = 134686908601. Its totient is φ = 133755470212.

The previous prime is 134220382297. The next prime is 134220382381. The reversal of 134220382321 is 123283022431.

The square root of 134220382321 is 366361.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 134220382321 - 2¹⁹ = 134219858033 is a prime.

It is a super-2 number, since 2×134220382321² (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 (134220382381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162297510 + ... + 162298336.

Almost surely, 2^134220382321 is an apocalyptic number.

134220382321 is the 366361-st square number.

134220382321 is the 183181-st centered octagonal number.

It is an amenable number.

134220382321 is a deficient number, since it is larger than the sum of its proper divisors (466526280).

134220382321 is an frugal number, since it uses more digits than its factorization.

134220382321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 134220382321 in words is "one hundred thirty-four billion, two hundred twenty million, three hundred eighty-two thousand, three hundred twenty-one".