133603013232413 has 4 divisors (see below), whose sum is σ = 134578217708700. Its totient is φ = 132627808756128.

The previous prime is 133603013232391. The next prime is 133603013232421. The reversal of 133603013232413 is 314232310306331.

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 87286454369284 + 46316558863129 = 9342722^2 + 6805627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133603013232413 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 (133603013232473) 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, 487602237938 + ... + 487602238211.

It is an arithmetic number, because the mean of its divisors is an integer number (33644554427175).

Almost surely, 2^{133603013232413} is an apocalyptic number.

It is an amenable number.

133603013232413 is a deficient number, since it is larger than the sum of its proper divisors (975204476287).

133603013232413 is an equidigital number, since it uses as much as digits as its factorization.

133603013232413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975204476286.

The product of its (nonzero) digits is 69984, while the sum is 35.

Adding to 133603013232413 its reverse (314232310306331), we get a palindrome (447835323538744).

The spelling of 133603013232413 in words is "one hundred thirty-three trillion, six hundred three billion, thirteen million, two hundred thirty-two thousand, four hundred thirteen".