133021010623205 has 4 divisors (see below), whose sum is σ = 159625212747852. Its totient is φ = 106416808498560.

The previous prime is 133021010623133. The next prime is 133021010623217. The reversal of 133021010623205 is 502326010120331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80772082554241 + 52248928068964 = 8987329^2 + 7228342^2 .

It is not a de Polignac number, because 133021010623205 - 2²⁴ = 133020993845989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13302101062316 + ... + 13302101062325.

It is an arithmetic number, because the mean of its divisors is an integer number (39906303186963).

Almost surely, 2^{133021010623205} is an apocalyptic number.

It is an amenable number.

133021010623205 is a deficient number, since it is larger than the sum of its proper divisors (26604202124647).

133021010623205 is an equidigital number, since it uses as much as digits as its factorization.

133021010623205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26604202124646.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 133021010623205 its reverse (502326010120331), we get a palindrome (635347020743536).

The spelling of 133021010623205 in words is "one hundred thirty-three trillion, twenty-one billion, ten million, six hundred twenty-three thousand, two hundred five".