21254040131014 has 8 divisors (see below), whose sum is σ = 33559010733240. Its totient is φ = 10067703219936.

The previous prime is 21254040130997. The next prime is 21254040131017. The reversal of 21254040131014 is 41013104045212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21254040131014² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21254040131017) 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, 279658422739 + ... + 279658422814.

It is an arithmetic number, because the mean of its divisors is an integer number (4194876341655).

Almost surely, 2^{21254040131014} is an apocalyptic number.

21254040131014 is a deficient number, since it is larger than the sum of its proper divisors (12304970602226).

21254040131014 is a wasteful number, since it uses less digits than its factorization.

21254040131014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559316845574.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 21254040131014 its reverse (41013104045212), we get a palindrome (62267144176226).

The spelling of 21254040131014 in words is "twenty-one trillion, two hundred fifty-four billion, forty million, one hundred thirty-one thousand, fourteen".