133120232113213 has 8 divisors (see below), whose sum is σ = 134226966978648. Its totient is φ = 132017373728064.

The previous prime is 133120232113177. The next prime is 133120232113247. The reversal of 133120232113213 is 312311232021331.

It can be written as a sum of positive squares in 4 ways, for example, as 47068134226884 + 86052097886329 = 6860622^2 + 9276427^2 .

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 133120232113213 - 2²¹ = 133120230016061 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 (133120232110213) 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, 969051106 + ... + 969188467.

It is an arithmetic number, because the mean of its divisors is an integer number (16778370872331).

Almost surely, 2^{133120232113213} is an apocalyptic number.

It is an amenable number.

133120232113213 is a deficient number, since it is larger than the sum of its proper divisors (1106734865435).

133120232113213 is a wasteful number, since it uses less digits than its factorization.

133120232113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938240143.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 133120232113213 its reverse (312311232021331), we get a palindrome (445431464134544).

The spelling of 133120232113213 in words is "one hundred thirty-three trillion, one hundred twenty billion, two hundred thirty-two million, one hundred thirteen thousand, two hundred thirteen".