140671007 has 2 divisors, whose sum is σ = 140671008. Its totient is φ = 140671006.

The previous prime is 140671001. The next prime is 140671019. The reversal of 140671007 is 700176041.

It is a weak prime.

It is an emirp because it is prime and its reverse (700176041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140671007 - 2¹⁴ = 140654623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140671001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70335503 + 70335504.

It is an arithmetic number, because the mean of its divisors is an integer number (70335504).

Almost surely, 2^140671007 is an apocalyptic number.

140671007 is a deficient number, since it is larger than the sum of its proper divisors (1).

140671007 is an equidigital number, since it uses as much as digits as its factorization.

140671007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 140671007 is about 11860.4808924428. The cubic root of 140671007 is about 520.0776597524.

The spelling of 140671007 in words is "one hundred forty million, six hundred seventy-one thousand, seven".