141861321 has 24 divisors (see below), whose sum is σ = 244479840. Its totient is φ = 81062856.

The previous prime is 141861299. The next prime is 141861331. The reversal of 141861321 is 123168141.

It is a happy number.

141861321 is a `hidden beast` number, since 1 + 41 + 8 + 613 + 2 + 1 = 666.

It is not a de Polignac number, because 141861321 - 2⁵ = 141861289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (141861331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52291 + ... + 54936.

It is an arithmetic number, because the mean of its divisors is an integer number (10186660).

Almost surely, 2^141861321 is an apocalyptic number.

It is an amenable number.

141861321 is a deficient number, since it is larger than the sum of its proper divisors (102618519).

141861321 is a wasteful number, since it uses less digits than its factorization.

141861321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107250 (or 107237 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 141861321 is about 11910.5550248509. Note that the first 3 decimals coincide. The cubic root of 141861321 is about 521.5404529976.

The spelling of 141861321 in words is "one hundred forty-one million, eight hundred sixty-one thousand, three hundred twenty-one".