2661134141 has 2 divisors, whose sum is σ = 2661134142. Its totient is φ = 2661134140.

The previous prime is 2661134137. The next prime is 2661134153. The reversal of 2661134141 is 1414311662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1817231641 + 843902500 = 42629^2 + 29050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2661134141 - 2² = 2661134137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2661134101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330567070 + 1330567071.

It is an arithmetic number, because the mean of its divisors is an integer number (1330567071).

Almost surely, 2^2661134141 is an apocalyptic number.

It is an amenable number.

2661134141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661134141 is an equidigital number, since it uses as much as digits as its factorization.

2661134141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 2661134141 is about 51586.1816865718. The cubic root of 2661134141 is about 1385.7628749559.

The spelling of 2661134141 in words is "two billion, six hundred sixty-one million, one hundred thirty-four thousand, one hundred forty-one".