140335967 has 2 divisors, whose sum is σ = 140335968. Its totient is φ = 140335966.

The previous prime is 140335963. The next prime is 140335981. The reversal of 140335967 is 769533041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140335967 - 2² = 140335963 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140335967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140335963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70167983 + 70167984.

It is an arithmetic number, because the mean of its divisors is an integer number (70167984).

Almost surely, 2^140335967 is an apocalyptic number.

140335967 is a deficient number, since it is larger than the sum of its proper divisors (1).

140335967 is an equidigital number, since it uses as much as digits as its factorization.

140335967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 140335967 is about 11846.3482558973. The cubic root of 140335967 is about 519.6644371030.

The spelling of 140335967 in words is "one hundred forty million, three hundred thirty-five thousand, nine hundred sixty-seven".