133520373103 has 16 divisors (see below), whose sum is σ = 144410255136. Its totient is φ = 122719893120.

The previous prime is 133520373073. The next prime is 133520373143. The reversal of 133520373103 is 301373025331.

It is a cyclic number.

It is not a de Polignac number, because 133520373103 - 2⁵ = 133520373071 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 (133520373143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3410025 + ... + 3448957.

It is an arithmetic number, because the mean of its divisors is an integer number (9025640946).

Almost surely, 2^133520373103 is an apocalyptic number.

133520373103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133520373103 is a deficient number, since it is larger than the sum of its proper divisors (10889882033).

133520373103 is a wasteful number, since it uses less digits than its factorization.

133520373103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40074.

The product of its (nonzero) digits is 17010, while the sum is 31.

Adding to 133520373103 its reverse (301373025331), we get a palindrome (434893398434).

The spelling of 133520373103 in words is "one hundred thirty-three billion, five hundred twenty million, three hundred seventy-three thousand, one hundred three".