135301031921 has 8 divisors (see below), whose sum is σ = 147962013600. Its totient is φ = 122700198240.

The previous prime is 135301031897. The next prime is 135301031953. The reversal of 135301031921 is 129130103531.

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 135301031921 - 2¹⁸ = 135300769777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135301031221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15032291 + ... + 15041288.

It is an arithmetic number, because the mean of its divisors is an integer number (18495251700).

Almost surely, 2^135301031921 is an apocalyptic number.

135301031921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135301031921 is a deficient number, since it is larger than the sum of its proper divisors (12660981679).

135301031921 is a wasteful number, since it uses less digits than its factorization.

135301031921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30073999.

The product of its (nonzero) digits is 2430, while the sum is 29.

The spelling of 135301031921 in words is "one hundred thirty-five billion, three hundred one million, thirty-one thousand, nine hundred twenty-one".