141289921 has 2 divisors, whose sum is σ = 141289922. Its totient is φ = 141289920.

The previous prime is 141289879. The next prime is 141289931. The reversal of 141289921 is 129982141.

141289921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140090896 + 1199025 = 11836^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 141289921 - 2⁷ = 141289793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141289931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70644960 + 70644961.

It is an arithmetic number, because the mean of its divisors is an integer number (70644961).

Almost surely, 2^141289921 is an apocalyptic number.

It is an amenable number.

141289921 is a deficient number, since it is larger than the sum of its proper divisors (1).

141289921 is an equidigital number, since it uses as much as digits as its factorization.

141289921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 37.

The square root of 141289921 is about 11886.5436944471. The cubic root of 141289921 is about 520.8392770792.

The spelling of 141289921 in words is "one hundred forty-one million, two hundred eighty-nine thousand, nine hundred twenty-one".