13000133050 has 24 divisors (see below), whose sum is σ = 25014051900. Its totient is φ = 5020740480.

The previous prime is 13000133023. The next prime is 13000133057. The reversal of 13000133050 is 5033100031.

It can be written as a sum of positive squares in 6 ways, for example, as 3535372681 + 9464760369 = 59459^2 + 97287^2 .

It is not an unprimeable number, because it can be changed into a prime (13000133057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4481355 + ... + 4484254.

Almost surely, 2^13000133050 is an apocalyptic number.

13000133050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13000133050 is a deficient number, since it is larger than the sum of its proper divisors (12013918850).

13000133050 is a wasteful number, since it uses less digits than its factorization.

13000133050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965650 (or 8965645 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 16.

Adding to 13000133050 its reverse (5033100031), we get a palindrome (18033233081).

The spelling of 13000133050 in words is "thirteen billion, one hundred thirty-three thousand, fifty".