140247267 has 4 divisors (see below), whose sum is σ = 186996360. Its totient is φ = 93498176.

The previous prime is 140247257. The next prime is 140247329. The reversal of 140247267 is 762742041.

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

It is a cyclic number.

It is not a de Polignac number, because 140247267 - 2⁴ = 140247251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140247257) 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, 23374542 + ... + 23374547.

It is an arithmetic number, because the mean of its divisors is an integer number (46749090).

Almost surely, 2^140247267 is an apocalyptic number.

140247267 is a deficient number, since it is larger than the sum of its proper divisors (46749093).

140247267 is an equidigital number, since it uses as much as digits as its factorization.

140247267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46749092.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 140247267 is about 11842.6038944144. The cubic root of 140247267 is about 519.5549285873.

The spelling of 140247267 in words is "one hundred forty million, two hundred forty-seven thousand, two hundred sixty-seven".