141364721 has 4 divisors (see below), whose sum is σ = 141530532. Its totient is φ = 141198912.

The previous prime is 141364709. The next prime is 141364723. The reversal of 141364721 is 127463141.

It is a happy number.

141364721 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 102738496 + 38626225 = 10136^2 + 6215^2 .

It is a cyclic number.

It is not a de Polignac number, because 141364721 - 2²² = 137170417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141364723) 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, 81620 + ... + 83333.

It is an arithmetic number, because the mean of its divisors is an integer number (35382633).

Almost surely, 2^141364721 is an apocalyptic number.

It is an amenable number.

141364721 is a deficient number, since it is larger than the sum of its proper divisors (165811).

141364721 is an equidigital number, since it uses as much as digits as its factorization.

141364721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165810.

The product of its digits is 4032, while the sum is 29.

The square root of 141364721 is about 11889.6896931753. The cubic root of 141364721 is about 520.9311730065.

The spelling of 141364721 in words is "one hundred forty-one million, three hundred sixty-four thousand, seven hundred twenty-one".