21040314141 has 64 divisors (see below), whose sum is σ = 37674418176. Its totient is φ = 10117483200.

The previous prime is 21040314131. The next prime is 21040314157. The reversal of 21040314141 is 14141304012.

It is not a de Polignac number, because 21040314141 - 2⁶ = 21040314077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21040314131) 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 63 ways as a sum of consecutive naturals, for example, 100830 + ... + 228576.

It is an arithmetic number, because the mean of its divisors is an integer number (588662784).

Almost surely, 2^21040314141 is an apocalyptic number.

21040314141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21040314141 is a deficient number, since it is larger than the sum of its proper divisors (16634104035).

21040314141 is a wasteful number, since it uses less digits than its factorization.

21040314141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127822.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21040314141 its reverse (14141304012), we get a palindrome (35181618153).

The spelling of 21040314141 in words is "twenty-one billion, forty million, three hundred fourteen thousand, one hundred forty-one".