134413554321 has 24 divisors (see below), whose sum is σ = 200955803880. Its totient is φ = 86472562176.

The previous prime is 134413554299. The next prime is 134413554397. The reversal of 134413554321 is 123455314431.

134413554321 is a `hidden beast` number, since 1 + 34 + 41 + 3 + 554 + 32 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7845530625 + 126568023696 = 88575^2 + 355764^2 .

It is a de Polignac number, because none of the positive numbers 2^k-134413554321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134413555321) 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, 351375 + ... + 626331.

It is an arithmetic number, because the mean of its divisors is an integer number (8373158495).

Almost surely, 2^134413554321 is an apocalyptic number.

It is an amenable number.

134413554321 is a deficient number, since it is larger than the sum of its proper divisors (66542249559).

134413554321 is a wasteful number, since it uses less digits than its factorization.

134413554321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276865 (or 276862 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 134413554321 its reverse (123455314431), we get a palindrome (257868868752).

The spelling of 134413554321 in words is "one hundred thirty-four billion, four hundred thirteen million, five hundred fifty-four thousand, three hundred twenty-one".