141693637 has 2 divisors, whose sum is σ = 141693638. Its totient is φ = 141693636.

The previous prime is 141693631. The next prime is 141693641. The reversal of 141693637 is 736396141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78872161 + 62821476 = 8881^2 + 7926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141693637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141693637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141693631) 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, 70846818 + 70846819.

It is an arithmetic number, because the mean of its divisors is an integer number (70846819).

Almost surely, 2^141693637 is an apocalyptic number.

It is an amenable number.

141693637 is a deficient number, since it is larger than the sum of its proper divisors (1).

141693637 is an equidigital number, since it uses as much as digits as its factorization.

141693637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 141693637 is about 11903.5136409381. The cubic root of 141693637 is about 521.3348802381.

The spelling of 141693637 in words is "one hundred forty-one million, six hundred ninety-three thousand, six hundred thirty-seven".