141400021 has 32 divisors (see below), whose sum is σ = 178569216. Its totient is φ = 109296000.

The previous prime is 141400019. The next prime is 141400031. The reversal of 141400021 is 120004141.

It is not a de Polignac number, because 141400021 - 2¹ = 141400019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141399974 and 141400010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141400001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204286 + ... + 204976.

It is an arithmetic number, because the mean of its divisors is an integer number (5580288).

Almost surely, 2^141400021 is an apocalyptic number.

It is an amenable number.

141400021 is a deficient number, since it is larger than the sum of its proper divisors (37169195).

141400021 is a wasteful number, since it uses less digits than its factorization.

141400021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 141400021 is about 11891.1740799637. The cubic root of 141400021 is about 520.9745297456.

Adding to 141400021 its reverse (120004141), we get a palindrome (261404162).

The spelling of 141400021 in words is "one hundred forty-one million, four hundred thousand, twenty-one".