2134331421 has 8 divisors (see below), whose sum is σ = 2922688224. Its totient is φ = 1384431120.

The previous prime is 2134331401. The next prime is 2134331509. The reversal of 2134331421 is 1241334312.

It is a happy number.

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

It is not a de Polignac number, because 2134331421 - 2¹³ = 2134323229 is a prime.

It is a super-2 number, since 2×2134331421² = 9110741229335758482, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2134331391 and 2134331400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134331401) 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, 9613995 + ... + 9614216.

It is an arithmetic number, because the mean of its divisors is an integer number (365336028).

Almost surely, 2^2134331421 is an apocalyptic number.

It is an amenable number.

2134331421 is a deficient number, since it is larger than the sum of its proper divisors (788356803).

2134331421 is a wasteful number, since it uses less digits than its factorization.

2134331421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19228251.

The product of its digits is 1728, while the sum is 24.

The square root of 2134331421 is about 46198.8248876527. The cubic root of 2134331421 is about 1287.5199071418.

Adding to 2134331421 its reverse (1241334312), we get a palindrome (3375665733).

The spelling of 2134331421 in words is "two billion, one hundred thirty-four million, three hundred thirty-one thousand, four hundred twenty-one".