140327591 has 2 divisors, whose sum is σ = 140327592. Its totient is φ = 140327590.

The previous prime is 140327557. The next prime is 140327641. The reversal of 140327591 is 195723041.

It is a weak prime.

It is an emirp because it is prime and its reverse (195723041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140327591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140327501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70163795 + 70163796.

It is an arithmetic number, because the mean of its divisors is an integer number (70163796).

Almost surely, 2^140327591 is an apocalyptic number.

140327591 is a deficient number, since it is larger than the sum of its proper divisors (1).

140327591 is an equidigital number, since it uses as much as digits as its factorization.

140327591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 140327591 is about 11845.9947239563. The cubic root of 140327591 is about 519.6540981143.

The spelling of 140327591 in words is "one hundred forty million, three hundred twenty-seven thousand, five hundred ninety-one".