140134399 has 2 divisors, whose sum is σ = 140134400. Its totient is φ = 140134398.

The previous prime is 140134361. The next prime is 140134411. The reversal of 140134399 is 993431041.

It is a strong prime.

It is an emirp because it is prime and its reverse (993431041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140134399 - 2⁷ = 140134271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140138399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70067199 + 70067200.

It is an arithmetic number, because the mean of its divisors is an integer number (70067200).

Almost surely, 2^140134399 is an apocalyptic number.

140134399 is a deficient number, since it is larger than the sum of its proper divisors (1).

140134399 is an equidigital number, since it uses as much as digits as its factorization.

140134399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 140134399 is about 11837.8375981427. The cubic root of 140134399 is about 519.4155156181.

The spelling of 140134399 in words is "one hundred forty million, one hundred thirty-four thousand, three hundred ninety-nine".