21141314137 has 8 divisors (see below), whose sum is σ = 21198284000. Its totient is φ = 21084403680.

The previous prime is 21141314123. The next prime is 21141314177. The reversal of 21141314137 is 73141314112.

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 21141314137 - 2⁷ = 21141314009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21141314177) 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 in 7 ways as a sum of consecutive naturals, for example, 750133 + ... + 777805.

It is an arithmetic number, because the mean of its divisors is an integer number (2649785500).

Almost surely, 2^21141314137 is an apocalyptic number.

It is an amenable number.

21141314137 is a deficient number, since it is larger than the sum of its proper divisors (56969863).

21141314137 is a wasteful number, since it uses less digits than its factorization.

21141314137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29703.

The product of its digits is 2016, while the sum is 28.

Adding to 21141314137 its reverse (73141314112), we get a palindrome (94282628249).

The spelling of 21141314137 in words is "twenty-one billion, one hundred forty-one million, three hundred fourteen thousand, one hundred thirty-seven".