135045145321 has 16 divisors (see below), whose sum is σ = 141195075840. Its totient is φ = 128995776000.

The previous prime is 135045145289. The next prime is 135045145337. The reversal of 135045145321 is 123541540531.

It is a cyclic number.

It is not a de Polignac number, because 135045145321 - 2⁵ = 135045145289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135045145621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9137680 + ... + 9152446.

It is an arithmetic number, because the mean of its divisors is an integer number (8824692240).

Almost surely, 2^135045145321 is an apocalyptic number.

It is an amenable number.

135045145321 is a deficient number, since it is larger than the sum of its proper divisors (6149930519).

135045145321 is a wasteful number, since it uses less digits than its factorization.

135045145321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18144.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 135045145321 its reverse (123541540531), we get a palindrome (258586685852).

The spelling of 135045145321 in words is "one hundred thirty-five billion, forty-five million, one hundred forty-five thousand, three hundred twenty-one".