141312021 has 8 divisors (see below), whose sum is σ = 191609760. Its totient is φ = 92611152.

The previous prime is 141312001. The next prime is 141312097. The reversal of 141312021 is 120213141.

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

It is not a de Polignac number, because 141312021 - 2¹³ = 141303829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141312001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399010 + ... + 399363.

It is an arithmetic number, because the mean of its divisors is an integer number (23951220).

Almost surely, 2^141312021 is an apocalyptic number.

It is an amenable number.

141312021 is a deficient number, since it is larger than the sum of its proper divisors (50297739).

141312021 is an equidigital number, since it uses as much as digits as its factorization.

141312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798435.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 141312021 is about 11887.4732807271. The cubic root of 141312021 is about 520.8664315236.

Adding to 141312021 its reverse (120213141), we get a palindrome (261525162).

It can be divided in two parts, 1413120 and 21, that added together give a palindrome (1413141).

The spelling of 141312021 in words is "one hundred forty-one million, three hundred twelve thousand, twenty-one".