140510399 has 2 divisors, whose sum is σ = 140510400. Its totient is φ = 140510398.

The previous prime is 140510371. The next prime is 140510411. The reversal of 140510399 is 993015041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140510399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140510099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70255199 + 70255200.

It is an arithmetic number, because the mean of its divisors is an integer number (70255200).

Almost surely, 2^140510399 is an apocalyptic number.

140510399 is a deficient number, since it is larger than the sum of its proper divisors (1).

140510399 is an equidigital number, since it uses as much as digits as its factorization.

140510399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 140510399 is about 11853.7082383531. The cubic root of 140510399 is about 519.8796553359.

The spelling of 140510399 in words is "one hundred forty million, five hundred ten thousand, three hundred ninety-nine".