134404325321 has 24 divisors (see below), whose sum is σ = 166177730880. Its totient is φ = 106190471232.

The previous prime is 134404325309. The next prime is 134404325323. The reversal of 134404325321 is 123523404431.

It is not a de Polignac number, because 134404325321 - 2⁶ = 134404325257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134404325323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187010 + ... + 551163.

It is an arithmetic number, because the mean of its divisors is an integer number (6924072120).

Almost surely, 2^134404325321 is an apocalyptic number.

It is an amenable number.

134404325321 is a deficient number, since it is larger than the sum of its proper divisors (31773405559).

134404325321 is an equidigital number, since it uses as much as digits as its factorization.

134404325321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738273 (or 738236 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 134404325321 its reverse (123523404431), we get a palindrome (257927729752).

The spelling of 134404325321 in words is "one hundred thirty-four billion, four hundred four million, three hundred twenty-five thousand, three hundred twenty-one".