266438141 has 8 divisors (see below), whose sum is σ = 279867264. Its totient is φ = 253162800.

The previous prime is 266438069. The next prime is 266438153. The reversal of 266438141 is 141834662.

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 266438141 - 2²² = 262243837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266438741) 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, 34886 + ... + 41831.

It is an arithmetic number, because the mean of its divisors is an integer number (34983408).

Almost surely, 2^266438141 is an apocalyptic number.

It is an amenable number.

266438141 is a deficient number, since it is larger than the sum of its proper divisors (13429123).

266438141 is a wasteful number, since it uses less digits than its factorization.

266438141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76891.

The product of its digits is 27648, while the sum is 35.

The square root of 266438141 is about 16322.9329778689. The cubic root of 266438141 is about 643.4756712684.

The spelling of 266438141 in words is "two hundred sixty-six million, four hundred thirty-eight thousand, one hundred forty-one".