134140321 has 8 divisors (see below), whose sum is σ = 154511360. Its totient is φ = 114071328.

The previous prime is 134140313. The next prime is 134140327. The reversal of 134140321 is 123041431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134140321 - 2³ = 134140313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134140327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74556 + ... + 76333.

It is an arithmetic number, because the mean of its divisors is an integer number (19313920).

Almost surely, 2^134140321 is an apocalyptic number.

It is an amenable number.

134140321 is a deficient number, since it is larger than the sum of its proper divisors (20371039).

134140321 is a wasteful number, since it uses less digits than its factorization.

134140321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151023.

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

The square root of 134140321 is about 11581.8962609756. The cubic root of 134140321 is about 511.9015529815.

Adding to 134140321 its reverse (123041431), we get a palindrome (257181752).

The spelling of 134140321 in words is "one hundred thirty-four million, one hundred forty thousand, three hundred twenty-one".