141139997 has 2 divisors, whose sum is σ = 141139998. Its totient is φ = 141139996.

The previous prime is 141139991. The next prime is 141140011. The reversal of 141139997 is 799931141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134884996 + 6255001 = 11614^2 + 2501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141139997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141139991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70569998 + 70569999.

It is an arithmetic number, because the mean of its divisors is an integer number (70569999).

Almost surely, 2^141139997 is an apocalyptic number.

It is an amenable number.

141139997 is a deficient number, since it is larger than the sum of its proper divisors (1).

141139997 is an equidigital number, since it uses as much as digits as its factorization.

141139997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 44.

The square root of 141139997 is about 11880.2355616377. The cubic root of 141139997 is about 520.6549894743.

The spelling of 141139997 in words is "one hundred forty-one million, one hundred thirty-nine thousand, nine hundred ninety-seven".