141409993 has 2 divisors, whose sum is σ = 141409994. Its totient is φ = 141409992.

The previous prime is 141409987. The next prime is 141410021. The reversal of 141409993 is 399904141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141205689 + 204304 = 11883^2 + 452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141409993 is a prime.

It is a super-2 number, since 2×141409993² = 39993572240520098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141409903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70704996 + 70704997.

It is an arithmetic number, because the mean of its divisors is an integer number (70704997).

Almost surely, 2^141409993 is an apocalyptic number.

It is an amenable number.

141409993 is a deficient number, since it is larger than the sum of its proper divisors (1).

141409993 is an equidigital number, since it uses as much as digits as its factorization.

141409993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 141409993 is about 11891.5933751537. The cubic root of 141409993 is about 520.9867764102.

The spelling of 141409993 in words is "one hundred forty-one million, four hundred nine thousand, nine hundred ninety-three".