140080091 has 2 divisors, whose sum is σ = 140080092. Its totient is φ = 140080090.

The previous prime is 140080079. The next prime is 140080093. The reversal of 140080091 is 190080041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140080091 - 2¹⁰ = 140079067 is a prime.

It is a Sophie Germain prime.

Together with 140080093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140080093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70040045 + 70040046.

It is an arithmetic number, because the mean of its divisors is an integer number (70040046).

Almost surely, 2^140080091 is an apocalyptic number.

140080091 is a deficient number, since it is larger than the sum of its proper divisors (1).

140080091 is an equidigital number, since it uses as much as digits as its factorization.

140080091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 140080091 is about 11835.5435447638. The cubic root of 140080091 is about 519.3484084628.

The spelling of 140080091 in words is "one hundred forty million, eighty thousand, ninety-one".