133035621 has 8 divisors (see below), whose sum is σ = 178022304. Its totient is φ = 88369680.

The previous prime is 133035589. The next prime is 133035653. The reversal of 133035621 is 126530331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133035589) and next prime (133035653).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133035621 - 2⁵ = 133035589 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133035591 and 133035600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133035121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79215 + ... + 80876.

It is an arithmetic number, because the mean of its divisors is an integer number (22252788).

Almost surely, 2^133035621 is an apocalyptic number.

It is an amenable number.

133035621 is a deficient number, since it is larger than the sum of its proper divisors (44986683).

133035621 is a wasteful number, since it uses less digits than its factorization.

133035621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160371.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 133035621 is about 11534.1068574901. The cubic root of 133035621 is about 510.4924386287.

Adding to 133035621 its reverse (126530331), we get a palindrome (259565952).

The spelling of 133035621 in words is "one hundred thirty-three million, thirty-five thousand, six hundred twenty-one".