140254307 has 2 divisors, whose sum is σ = 140254308. Its totient is φ = 140254306.

The previous prime is 140254297. The next prime is 140254327. The reversal of 140254307 is 703452041.

It is a weak prime.

It is an emirp because it is prime and its reverse (703452041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140254307 - 2⁴ = 140254291 is a prime.

It is not a weakly prime, because it can be changed into another prime (140254327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70127153 + 70127154.

It is an arithmetic number, because the mean of its divisors is an integer number (70127154).

Almost surely, 2^140254307 is an apocalyptic number.

140254307 is a deficient number, since it is larger than the sum of its proper divisors (1).

140254307 is an equidigital number, since it uses as much as digits as its factorization.

140254307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 140254307 is about 11842.9011226135. The cubic root of 140254307 is about 519.5636218179.

The spelling of 140254307 in words is "one hundred forty million, two hundred fifty-four thousand, three hundred seven".