21032137141 has 2 divisors, whose sum is σ = 21032137142. Its totient is φ = 21032137140.

The previous prime is 21032137109. The next prime is 21032137157. The reversal of 21032137141 is 14173123012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16864918225 + 4167218916 = 129865^2 + 64554^2 .

It is a cyclic number.

It is not a de Polignac number, because 21032137141 - 2⁵ = 21032137109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21032137171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516068570 + 10516068571.

It is an arithmetic number, because the mean of its divisors is an integer number (10516068571).

Almost surely, 2^21032137141 is an apocalyptic number.

It is an amenable number.

21032137141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032137141 is an equidigital number, since it uses as much as digits as its factorization.

21032137141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 21032137141 in words is "twenty-one billion, thirty-two million, one hundred thirty-seven thousand, one hundred forty-one".