140552207 has 2 divisors, whose sum is σ = 140552208. Its totient is φ = 140552206.

The previous prime is 140552161. The next prime is 140552227. The reversal of 140552207 is 702255041.

It is a strong prime.

It is an emirp because it is prime and its reverse (702255041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140552207 - 2⁶ = 140552143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140552227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70276103 + 70276104.

It is an arithmetic number, because the mean of its divisors is an integer number (70276104).

Almost surely, 2^140552207 is an apocalyptic number.

140552207 is a deficient number, since it is larger than the sum of its proper divisors (1).

140552207 is an equidigital number, since it uses as much as digits as its factorization.

140552207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 140552207 is about 11855.4716059716. The cubic root of 140552207 is about 519.9312125479.

The spelling of 140552207 in words is "one hundred forty million, five hundred fifty-two thousand, two hundred seven".