140808067 has 2 divisors, whose sum is σ = 140808068. Its totient is φ = 140808066.

The previous prime is 140808061. The next prime is 140808091. The reversal of 140808067 is 760808041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140808067 is a prime.

It is not a weakly prime, because it can be changed into another prime (140808061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70404033 + 70404034.

It is an arithmetic number, because the mean of its divisors is an integer number (70404034).

Almost surely, 2^140808067 is an apocalyptic number.

140808067 is a deficient number, since it is larger than the sum of its proper divisors (1).

140808067 is an equidigital number, since it uses as much as digits as its factorization.

140808067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 140808067 is about 11866.2574976275. The cubic root of 140808067 is about 520.2465140349.

The spelling of 140808067 in words is "one hundred forty million, eight hundred eight thousand, sixty-seven".