134552541321 has 24 divisors (see below), whose sum is σ = 212358294720. Its totient is φ = 81417722400.

The previous prime is 134552541317. The next prime is 134552541353. The reversal of 134552541321 is 123145255431.

134552541321 is a `hidden beast` number, since 1 + 3 + 45 + 52 + 541 + 3 + 21 = 666.

It is not a de Polignac number, because 134552541321 - 2² = 134552541317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134552541301) 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, 1014486 + ... + 1139423.

It is an arithmetic number, because the mean of its divisors is an integer number (8848262280).

Almost surely, 2^134552541321 is an apocalyptic number.

134552541321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134552541321 is a deficient number, since it is larger than the sum of its proper divisors (77805753399).

134552541321 is a wasteful number, since it uses less digits than its factorization.

134552541321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154557 (or 2154554 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 134552541321 its reverse (123145255431), we get a palindrome (257697796752).

The spelling of 134552541321 in words is "one hundred thirty-four billion, five hundred fifty-two million, five hundred forty-one thousand, three hundred twenty-one".