2134300021 has 8 divisors (see below), whose sum is σ = 2464347200. Its totient is φ = 1810539648.

The previous prime is 2134300013. The next prime is 2134300027. The reversal of 2134300021 is 1200034312.

It is a happy number.

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 2134300021 - 2³ = 2134300013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2134299968 and 2134300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134300027) 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, 1570971 + ... + 1572328.

It is an arithmetic number, because the mean of its divisors is an integer number (308043400).

Almost surely, 2^2134300021 is an apocalyptic number.

It is an amenable number.

2134300021 is a deficient number, since it is larger than the sum of its proper divisors (330047179).

2134300021 is an equidigital number, since it uses as much as digits as its factorization.

2134300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143403.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2134300021 is about 46198.4850509191. The cubic root of 2134300021 is about 1287.5135931703.

Adding to 2134300021 its reverse (1200034312), we get a palindrome (3334334333).

The spelling of 2134300021 in words is "two billion, one hundred thirty-four million, three hundred thousand, twenty-one".