140356903 has 2 divisors, whose sum is σ = 140356904. Its totient is φ = 140356902.

The previous prime is 140356883. The next prime is 140356907. The reversal of 140356903 is 309653041.

It is a strong prime.

It is an emirp because it is prime and its reverse (309653041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140356903 - 2¹³ = 140348711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140356907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70178451 + 70178452.

It is an arithmetic number, because the mean of its divisors is an integer number (70178452).

Almost surely, 2^140356903 is an apocalyptic number.

140356903 is a deficient number, since it is larger than the sum of its proper divisors (1).

140356903 is an equidigital number, since it uses as much as digits as its factorization.

140356903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 140356903 is about 11847.2318707789. The cubic root of 140356903 is about 519.6902778382.

The spelling of 140356903 in words is "one hundred forty million, three hundred fifty-six thousand, nine hundred three".