133113240425 has 18 divisors (see below), whose sum is σ = 181430050494. Its totient is φ = 96809627200.

The previous prime is 133113240391. The next prime is 133113240427. The reversal of 133113240425 is 524042311331.

It can be written as a sum of positive squares in 3 ways, for example, as 7203856 + 133106036569 = 2684^2 + 364837^2 .

It is not a de Polignac number, because 133113240425 - 2¹² = 133113236329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133113240427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21999164 + ... + 22005213.

Almost surely, 2^133113240425 is an apocalyptic number.

It is an amenable number.

133113240425 is a deficient number, since it is larger than the sum of its proper divisors (48316810069).

133113240425 is a wasteful number, since it uses less digits than its factorization.

133113240425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44004409 (or 44004393 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 133113240425 its reverse (524042311331), we get a palindrome (657155551756).

The spelling of 133113240425 in words is "one hundred thirty-three billion, one hundred thirteen million, two hundred forty thousand, four hundred twenty-five".