141267989 has 4 divisors (see below), whose sum is σ = 141318540. Its totient is φ = 141217440.

The previous prime is 141267953. The next prime is 141267991. The reversal of 141267989 is 989762141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38651089 + 102616900 = 6217^2 + 10130^2 .

It is a cyclic number.

It is not a de Polignac number, because 141267989 - 2⁸ = 141267733 is a prime.

It is a super-2 number, since 2×141267989² = 39913289432208242, 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 (141267389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20822 + ... + 26759.

It is an arithmetic number, because the mean of its divisors is an integer number (35329635).

Almost surely, 2^141267989 is an apocalyptic number.

It is an amenable number.

141267989 is a deficient number, since it is larger than the sum of its proper divisors (50551).

141267989 is an equidigital number, since it uses as much as digits as its factorization.

141267989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50550.

The product of its digits is 217728, while the sum is 47.

The square root of 141267989 is about 11885.6211028284. The cubic root of 141267989 is about 520.8123262581.

The spelling of 141267989 in words is "one hundred forty-one million, two hundred sixty-seven thousand, nine hundred eighty-nine".