2133420401 has 8 divisors (see below), whose sum is σ = 2471595264. Its totient is φ = 1803595680.

The previous prime is 2133420391. The next prime is 2133420427. The reversal of 2133420401 is 1040243312.

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

It is a cyclic number.

It is not a de Polignac number, because 2133420401 - 2¹⁰ = 2133419377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2133420431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086985 + ... + 2088006.

It is an arithmetic number, because the mean of its divisors is an integer number (308949408).

Almost surely, 2^2133420401 is an apocalyptic number.

It is an amenable number.

2133420401 is a deficient number, since it is larger than the sum of its proper divisors (338174863).

2133420401 is an equidigital number, since it uses as much as digits as its factorization.

2133420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175071.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2133420401 is about 46188.9640606931. The cubic root of 2133420401 is about 1287.3366923417.

Adding to 2133420401 its reverse (1040243312), we get a palindrome (3173663713).

The spelling of 2133420401 in words is "two billion, one hundred thirty-three million, four hundred twenty thousand, four hundred one".