140575871 has 2 divisors, whose sum is σ = 140575872. Its totient is φ = 140575870.

The previous prime is 140575859. The next prime is 140575891. The reversal of 140575871 is 178575041.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (178575041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140575871 - 2²⁶ = 73467007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140575801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70287935 + 70287936.

It is an arithmetic number, because the mean of its divisors is an integer number (70287936).

Almost surely, 2^140575871 is an apocalyptic number.

140575871 is a deficient number, since it is larger than the sum of its proper divisors (1).

140575871 is an equidigital number, since it uses as much as digits as its factorization.

140575871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 140575871 is about 11856.4695841553. The cubic root of 140575871 is about 519.9603902275.

The spelling of 140575871 in words is "one hundred forty million, five hundred seventy-five thousand, eight hundred seventy-one".