133053145520513 has 4 divisors (see below), whose sum is σ = 133131735684948. Its totient is φ = 132974555356080.

The previous prime is 133053145520497. The next prime is 133053145520567. The reversal of 133053145520513 is 315025541350331.

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 18832883257969 + 114220262262544 = 4339687^2 + 10687388^2 .

It is a cyclic number.

It is not a de Polignac number, because 133053145520513 - 2⁴ = 133053145520497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133053145510513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39295079678 + ... + 39295083063.

It is an arithmetic number, because the mean of its divisors is an integer number (33282933921237).

Almost surely, 2^{133053145520513} is an apocalyptic number.

It is an amenable number.

133053145520513 is a deficient number, since it is larger than the sum of its proper divisors (78590164435).

133053145520513 is an equidigital number, since it uses as much as digits as its factorization.

133053145520513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78590164434.

The product of its (nonzero) digits is 405000, while the sum is 41.

Adding to 133053145520513 its reverse (315025541350331), we get a palindrome (448078686870844).

The spelling of 133053145520513 in words is "one hundred thirty-three trillion, fifty-three billion, one hundred forty-five million, five hundred twenty thousand, five hundred thirteen".