141586721 has 2 divisors, whose sum is σ = 141586722. Its totient is φ = 141586720.

The previous prime is 141586699. The next prime is 141586747. The reversal of 141586721 is 127685141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113124496 + 28462225 = 10636^2 + 5335^2 .

It is a cyclic number.

It is not a de Polignac number, because 141586721 - 2¹⁴ = 141570337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141586751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70793360 + 70793361.

It is an arithmetic number, because the mean of its divisors is an integer number (70793361).

Almost surely, 2^141586721 is an apocalyptic number.

It is an amenable number.

141586721 is a deficient number, since it is larger than the sum of its proper divisors (1).

141586721 is an equidigital number, since it uses as much as digits as its factorization.

141586721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 35.

The square root of 141586721 is about 11899.0218505556. The cubic root of 141586721 is about 521.2037215248.

The spelling of 141586721 in words is "one hundred forty-one million, five hundred eighty-six thousand, seven hundred twenty-one".