134233621 has 4 divisors (see below), whose sum is σ = 134274112. Its totient is φ = 134193132.

The previous prime is 134233607. The next prime is 134233639. The reversal of 134233621 is 126332431.

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 134233621 - 2⁹ = 134233109 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 (134233661) 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, 14781 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (33568528).

Almost surely, 2^134233621 is an apocalyptic number.

It is an amenable number.

134233621 is a deficient number, since it is larger than the sum of its proper divisors (40491).

134233621 is an equidigital number, since it uses as much as digits as its factorization.

134233621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40490.

The product of its digits is 2592, while the sum is 25.

The square root of 134233621 is about 11585.9233986765. The cubic root of 134233621 is about 512.0202081969.

The spelling of 134233621 in words is "one hundred thirty-four million, two hundred thirty-three thousand, six hundred twenty-one".