133013221513 has 2 divisors, whose sum is σ = 133013221514. Its totient is φ = 133013221512.

The previous prime is 133013221507. The next prime is 133013221541. The reversal of 133013221513 is 315122310331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98086096969 + 34927124544 = 313187^2 + 186888^2 .

It is a cyclic number.

It is not a de Polignac number, because 133013221513 - 2¹³ = 133013213321 is a prime.

It is not a weakly prime, because it can be changed into another prime (133013221553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66506610756 + 66506610757.

It is an arithmetic number, because the mean of its divisors is an integer number (66506610757).

Almost surely, 2^133013221513 is an apocalyptic number.

It is an amenable number.

133013221513 is a deficient number, since it is larger than the sum of its proper divisors (1).

133013221513 is an equidigital number, since it uses as much as digits as its factorization.

133013221513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 133013221513 its reverse (315122310331), we get a palindrome (448135531844).

The spelling of 133013221513 in words is "one hundred thirty-three billion, thirteen million, two hundred twenty-one thousand, five hundred thirteen".