140369899 has 2 divisors, whose sum is σ = 140369900. Its totient is φ = 140369898.

The previous prime is 140369881. The next prime is 140369903. The reversal of 140369899 is 998963041.

It is a strong prime.

It is an emirp because it is prime and its reverse (998963041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140369899 is a prime.

It is not a weakly prime, because it can be changed into another prime (140369839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70184949 + 70184950.

It is an arithmetic number, because the mean of its divisors is an integer number (70184950).

Almost surely, 2^140369899 is an apocalyptic number.

140369899 is a deficient number, since it is larger than the sum of its proper divisors (1).

140369899 is an equidigital number, since it uses as much as digits as its factorization.

140369899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 140369899 is about 11847.7803406377. The cubic root of 140369899 is about 519.7063171547.

The spelling of 140369899 in words is "one hundred forty million, three hundred sixty-nine thousand, eight hundred ninety-nine".