21140413141 has 16 divisors (see below), whose sum is σ = 21990161920. Its totient is φ = 20301503040.

The previous prime is 21140412991. The next prime is 21140413163. The reversal of 21140413141 is 14131404112.

It is a cyclic number.

It is not a de Polignac number, because 21140413141 - 2²⁵ = 21106858709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140413241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4411975 + ... + 4416763.

It is an arithmetic number, because the mean of its divisors is an integer number (1374385120).

Almost surely, 2^21140413141 is an apocalyptic number.

It is an amenable number.

21140413141 is a deficient number, since it is larger than the sum of its proper divisors (849748779).

21140413141 is a wasteful number, since it uses less digits than its factorization.

21140413141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21140413141 its reverse (14131404112), we get a palindrome (35271817253).

It can be divided in two parts, 21140 and 413141, that added together give a square (434281 = 659²).

The spelling of 21140413141 in words is "twenty-one billion, one hundred forty million, four hundred thirteen thousand, one hundred forty-one".