133034621 has 4 divisors (see below), whose sum is σ = 133504992. Its totient is φ = 132564252.

The previous prime is 133034591. The next prime is 133034677. The reversal of 133034621 is 126430331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133034621 - 2¹⁰ = 133033597 is a prime.

It is a super-2 number, since 2×133034621² = 35396420769227282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133034021) 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, 234761 + ... + 235326.

It is an arithmetic number, because the mean of its divisors is an integer number (33376248).

Almost surely, 2^133034621 is an apocalyptic number.

It is an amenable number.

133034621 is a deficient number, since it is larger than the sum of its proper divisors (470371).

133034621 is an equidigital number, since it uses as much as digits as its factorization.

133034621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470370.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 133034621 is about 11534.0635077149. The cubic root of 133034621 is about 510.4911595384.

Adding to 133034621 its reverse (126430331), we get a palindrome (259464952).

The spelling of 133034621 in words is "one hundred thirty-three million, thirty-four thousand, six hundred twenty-one".