2134013261 has 2 divisors, whose sum is σ = 2134013262. Its totient is φ = 2134013260.

The previous prime is 2134013257. The next prime is 2134013293. The reversal of 2134013261 is 1623104312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1897038025 + 236975236 = 43555^2 + 15394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134013261 - 2² = 2134013257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134013201) 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 as a sum of consecutive naturals, namely, 1067006630 + 1067006631.

It is an arithmetic number, because the mean of its divisors is an integer number (1067006631).

Almost surely, 2^2134013261 is an apocalyptic number.

It is an amenable number.

2134013261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134013261 is an equidigital number, since it uses as much as digits as its factorization.

2134013261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2134013261 is about 46195.3813816923. The cubic root of 2134013261 is about 1287.4559280606.

Adding to 2134013261 its reverse (1623104312), we get a palindrome (3757117573).

The spelling of 2134013261 in words is "two billion, one hundred thirty-four million, thirteen thousand, two hundred sixty-one".