267140242 has 4 divisors (see below), whose sum is σ = 400710366. Its totient is φ = 133570120.

The previous prime is 267140233. The next prime is 267140243. The reversal of 267140242 is 242041762.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242041762 = 2 ⋅121020881.

It can be written as a sum of positive squares in only one way, i.e., 192127321 + 75012921 = 13861^2 + 8661^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 267140242.

It is not an unprimeable number, because it can be changed into a prime (267140243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66785059 + ... + 66785062.

Almost surely, 2^267140242 is an apocalyptic number.

267140242 is a deficient number, since it is larger than the sum of its proper divisors (133570124).

267140242 is a wasteful number, since it uses less digits than its factorization.

267140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133570123.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 267140242 is about 16344.4254105184. The cubic root of 267140242 is about 644.0403910343.

The spelling of 267140242 in words is "two hundred sixty-seven million, one hundred forty thousand, two hundred forty-two".