140505007 has 2 divisors, whose sum is σ = 140505008. Its totient is φ = 140505006.

The previous prime is 140504977. The next prime is 140505041. The reversal of 140505007 is 700505041.

It is a weak prime.

It is an emirp because it is prime and its reverse (700505041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140505007 - 2⁷ = 140504879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140505077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70252503 + 70252504.

It is an arithmetic number, because the mean of its divisors is an integer number (70252504).

Almost surely, 2^140505007 is an apocalyptic number.

140505007 is a deficient number, since it is larger than the sum of its proper divisors (1).

140505007 is an equidigital number, since it uses as much as digits as its factorization.

140505007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 140505007 is about 11853.4807967955. The cubic root of 140505007 is about 519.8730052304.

The spelling of 140505007 in words is "one hundred forty million, five hundred five thousand, seven".