141993469 has 8 divisors (see below), whose sum is σ = 151306488. Its totient is φ = 132787200.

The previous prime is 141993451. The next prime is 141993473. The reversal of 141993469 is 964399141.

It can be written as a sum of positive squares in 4 ways, for example, as 43388569 + 98604900 = 6587^2 + 9930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141993469 is a prime.

It is a super-2 number, since 2×141993469² = 40324290477307922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141993499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23932 + ... + 29269.

It is an arithmetic number, because the mean of its divisors is an integer number (18913311).

Almost surely, 2^141993469 is an apocalyptic number.

It is an amenable number.

141993469 is a deficient number, since it is larger than the sum of its proper divisors (9313019).

141993469 is a wasteful number, since it uses less digits than its factorization.

141993469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53375.

The product of its digits is 209952, while the sum is 46.

The square root of 141993469 is about 11916.1012499894. The cubic root of 141993469 is about 521.7023461710.

The spelling of 141993469 in words is "one hundred forty-one million, nine hundred ninety-three thousand, four hundred sixty-nine".