213001426645133 has 12 divisors (see below), whose sum is σ = 252452210713020. Its totient is φ = 179127884400192.

The previous prime is 213001426645123. The next prime is 213001426645151. The reversal of 213001426645133 is 331546624100312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50682054671689 + 162319371973444 = 7119133^2 + 12740462^2 .

It is not a de Polignac number, because 213001426645133 - 2⁶ = 213001426645069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001426645123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41009128448 + ... + 41009133641.

It is an arithmetic number, because the mean of its divisors is an integer number (21037684226085).

Almost surely, 2^{213001426645133} is an apocalyptic number.

It is an amenable number.

213001426645133 is a deficient number, since it is larger than the sum of its proper divisors (39450784067887).

213001426645133 is an equidigital number, since it uses as much as digits as its factorization.

213001426645133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82018262156 (or 82018262149 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 213001426645133 in words is "two hundred thirteen trillion, one billion, four hundred twenty-six million, six hundred forty-five thousand, one hundred thirty-three".