21337130141 has 4 divisors (see below), whose sum is σ = 21913809372. Its totient is φ = 20760450912.

The previous prime is 21337130137. The next prime is 21337130149. The reversal of 21337130141 is 14103173312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19295988100 + 2041142041 = 138910^2 + 45179^2 .

It is a cyclic number.

It is not a de Polignac number, because 21337130141 - 2² = 21337130137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21337130141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21337130149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288339560 + ... + 288339633.

It is an arithmetic number, because the mean of its divisors is an integer number (5478452343).

Almost surely, 2^21337130141 is an apocalyptic number.

It is an amenable number.

21337130141 is a deficient number, since it is larger than the sum of its proper divisors (576679231).

21337130141 is an equidigital number, since it uses as much as digits as its factorization.

21337130141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576679230.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 21337130141 in words is "twenty-one billion, three hundred thirty-seven million, one hundred thirty thousand, one hundred forty-one".