141215993 has 4 divisors (see below), whose sum is σ = 146085540. Its totient is φ = 136346448.

The previous prime is 141215959. The next prime is 141216007. The reversal of 141215993 is 399512141.

It is a happy number.

141215993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84860944 + 56355049 = 9212^2 + 7507^2 .

It is a cyclic number.

It is not a de Polignac number, because 141215993 - 2¹² = 141211897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141215933) 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, 2434730 + ... + 2434787.

It is an arithmetic number, because the mean of its divisors is an integer number (36521385).

Almost surely, 2^141215993 is an apocalyptic number.

It is an amenable number.

141215993 is a deficient number, since it is larger than the sum of its proper divisors (4869547).

141215993 is an equidigital number, since it uses as much as digits as its factorization.

141215993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869546.

The product of its digits is 9720, while the sum is 35.

The square root of 141215993 is about 11883.4335526396. The cubic root of 141215993 is about 520.7484205778.

The spelling of 141215993 in words is "one hundred forty-one million, two hundred fifteen thousand, nine hundred ninety-three".