141261565 has 8 divisors (see below), whose sum is σ = 169598520. Its totient is φ = 112952832.

The previous prime is 141261563. The next prime is 141261569. The reversal of 141261565 is 565162141.

It can be written as a sum of positive squares in 4 ways, for example, as 97357689 + 43903876 = 9867^2 + 6626^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 141261565 - 2¹ = 141261563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141261563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6241 + ... + 17929.

It is an arithmetic number, because the mean of its divisors is an integer number (21199815).

Almost surely, 2^141261565 is an apocalyptic number.

It is an amenable number.

141261565 is a deficient number, since it is larger than the sum of its proper divisors (28336955).

141261565 is a wasteful number, since it uses less digits than its factorization.

141261565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111.

The product of its digits is 7200, while the sum is 31.

The square root of 141261565 is about 11885.3508572528. The cubic root of 141261565 is about 520.8044316905.

The spelling of 141261565 in words is "one hundred forty-one million, two hundred sixty-one thousand, five hundred sixty-five".