141887761 has 2 divisors, whose sum is σ = 141887762. Its totient is φ = 141887760.

The previous prime is 141887737. The next prime is 141887773. The reversal of 141887761 is 167788141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129504400 + 12383361 = 11380^2 + 3519^2 .

It is an emirp because it is prime and its reverse (167788141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141887761 - 2¹⁹ = 141363473 is a prime.

It is not a weakly prime, because it can be changed into another prime (141887791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70943880 + 70943881.

It is an arithmetic number, because the mean of its divisors is an integer number (70943881).

Almost surely, 2^141887761 is an apocalyptic number.

It is an amenable number.

141887761 is a deficient number, since it is larger than the sum of its proper divisors (1).

141887761 is an equidigital number, since it uses as much as digits as its factorization.

141887761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 43.

The square root of 141887761 is about 11911.6649130170. The cubic root of 141887761 is about 521.5728524162.

The spelling of 141887761 in words is "one hundred forty-one million, eight hundred eighty-seven thousand, seven hundred sixty-one".