141290321 has 4 divisors (see below), whose sum is σ = 141314112. Its totient is φ = 141266532.

The previous prime is 141290299. The next prime is 141290333. The reversal of 141290321 is 123092141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 141290321 - 2⁶ = 141290257 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141290371) 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, 5276 + ... + 17618.

It is an arithmetic number, because the mean of its divisors is an integer number (35328528).

Almost surely, 2^141290321 is an apocalyptic number.

It is an amenable number.

141290321 is a deficient number, since it is larger than the sum of its proper divisors (23791).

141290321 is a wasteful number, since it uses less digits than its factorization.

141290321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23790.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 141290321 is about 11886.5605201841. The cubic root of 141290321 is about 520.8397685875.

The spelling of 141290321 in words is "one hundred forty-one million, two hundred ninety thousand, three hundred twenty-one".