140903663 has 6 divisors (see below), whose sum is σ = 145930824. Its totient is φ = 136044104.

The previous prime is 140903657. The next prime is 140903669. The reversal of 140903663 is 366309041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140903657) and next prime (140903669).

It is not a de Polignac number, because 140903663 - 2¹⁰ = 140902639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140903669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82931 + ... + 84612.

It is an arithmetic number, because the mean of its divisors is an integer number (24321804).

Almost surely, 2^140903663 is an apocalyptic number.

140903663 is a deficient number, since it is larger than the sum of its proper divisors (5027161).

140903663 is an equidigital number, since it uses as much as digits as its factorization.

140903663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167601 (or 167572 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 140903663 is about 11870.2848744249. The cubic root of 140903663 is about 520.3642209159.

The spelling of 140903663 in words is "one hundred forty million, nine hundred three thousand, six hundred sixty-three".