141693389 has 2 divisors, whose sum is σ = 141693390. Its totient is φ = 141693388.

The previous prime is 141693379. The next prime is 141693413. The reversal of 141693389 is 983396141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 11847364 = 11395^2 + 3442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141693389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141693379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70846694 + 70846695.

It is an arithmetic number, because the mean of its divisors is an integer number (70846695).

Almost surely, 2^141693389 is an apocalyptic number.

It is an amenable number.

141693389 is a deficient number, since it is larger than the sum of its proper divisors (1).

141693389 is an equidigital number, since it uses as much as digits as its factorization.

141693389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 141693389 is about 11903.5032238413. The cubic root of 141693389 is about 521.3345760816.

The spelling of 141693389 in words is "one hundred forty-one million, six hundred ninety-three thousand, three hundred eighty-nine".