135514321 has 8 divisors (see below), whose sum is σ = 142257024. Its totient is φ = 128842560.

The previous prime is 135514283. The next prime is 135514331. The reversal of 135514321 is 123415531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135514321 - 2⁹ = 135513809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135514331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13800 + ... + 21481.

It is an arithmetic number, because the mean of its divisors is an integer number (17782128).

Almost surely, 2^135514321 is an apocalyptic number.

It is an amenable number.

135514321 is a deficient number, since it is larger than the sum of its proper divisors (6742703).

135514321 is a wasteful number, since it uses less digits than its factorization.

135514321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35471.

The product of its digits is 1800, while the sum is 25.

The square root of 135514321 is about 11641.0618501922. The cubic root of 135514321 is about 513.6434225397.

Adding to 135514321 its reverse (123415531), we get a palindrome (258929852).

The spelling of 135514321 in words is "one hundred thirty-five million, five hundred fourteen thousand, three hundred twenty-one".