133263629 has 4 divisors (see below), whose sum is σ = 141102684. Its totient is φ = 125424576.

The previous prime is 133263623. The next prime is 133263631. The reversal of 133263629 is 926362331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 926362331 = 16493 ⋅56167.

It can be written as a sum of positive squares in 2 ways, for example, as 119028100 + 14235529 = 10910^2 + 3773^2 .

It is a cyclic number.

It is not a de Polignac number, because 133263629 - 2⁸ = 133263373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133263623) 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, 3919502 + ... + 3919535.

It is an arithmetic number, because the mean of its divisors is an integer number (35275671).

Almost surely, 2^133263629 is an apocalyptic number.

It is an amenable number.

133263629 is a deficient number, since it is larger than the sum of its proper divisors (7839055).

133263629 is an equidigital number, since it uses as much as digits as its factorization.

133263629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839054.

The product of its digits is 34992, while the sum is 35.

The square root of 133263629 is about 11543.9867030415. The cubic root of 133263629 is about 510.7839142641.

The spelling of 133263629 in words is "one hundred thirty-three million, two hundred sixty-three thousand, six hundred twenty-nine".