142040267 has 2 divisors, whose sum is σ = 142040268. Its totient is φ = 142040266.

The previous prime is 142040237. The next prime is 142040279. The reversal of 142040267 is 762040241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142040267 - 2²² = 137845963 is a prime.

It is not a weakly prime, because it can be changed into another prime (142040237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71020133 + 71020134.

It is an arithmetic number, because the mean of its divisors is an integer number (71020134).

Almost surely, 2^142040267 is an apocalyptic number.

142040267 is a deficient number, since it is larger than the sum of its proper divisors (1).

142040267 is an equidigital number, since it uses as much as digits as its factorization.

142040267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 142040267 is about 11918.0647338400. The cubic root of 142040267 is about 521.7596538413.

Subtracting from 142040267 its sum of digits (26), we obtain a palindrome (142040241).

The spelling of 142040267 in words is "one hundred forty-two million, forty thousand, two hundred sixty-seven".