2134361021 has 8 divisors (see below), whose sum is σ = 2360665944. Its totient is φ = 1916930880.

The previous prime is 2134361017. The next prime is 2134361023. The reversal of 2134361021 is 1201634312.

It can be written as a sum of positive squares in 4 ways, for example, as 501312100 + 1633048921 = 22390^2 + 40411^2 .

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 2134361021 - 2² = 2134361017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134361023) 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, 2218190 + ... + 2219151.

It is an arithmetic number, because the mean of its divisors is an integer number (295083243).

Almost surely, 2^2134361021 is an apocalyptic number.

It is an amenable number.

2134361021 is a deficient number, since it is larger than the sum of its proper divisors (226304923).

2134361021 is a wasteful number, since it uses less digits than its factorization.

2134361021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437391.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2134361021 is about 46199.1452410107. The cubic root of 2134361021 is about 1287.5258591092.

Adding to 2134361021 its reverse (1201634312), we get a palindrome (3335995333).

The spelling of 2134361021 in words is "two billion, one hundred thirty-four million, three hundred sixty-one thousand, twenty-one".