141869399 has 4 divisors (see below), whose sum is σ = 162136464. Its totient is φ = 121602336.

The previous prime is 141869381. The next prime is 141869407. The reversal of 141869399 is 993968141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993968141 = 419 ⋅2372239.

It is a cyclic number.

It is not a de Polignac number, because 141869399 - 2¹⁶ = 141803863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141869699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10133522 + ... + 10133535.

It is an arithmetic number, because the mean of its divisors is an integer number (40534116).

Almost surely, 2^141869399 is an apocalyptic number.

141869399 is a deficient number, since it is larger than the sum of its proper divisors (20267065).

141869399 is an equidigital number, since it uses as much as digits as its factorization.

141869399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20267064.

The product of its digits is 419904, while the sum is 50.

The square root of 141869399 is about 11910.8941310046. The cubic root of 141869399 is about 521.5503521577.

The spelling of 141869399 in words is "one hundred forty-one million, eight hundred sixty-nine thousand, three hundred ninety-nine".