140997263503 has 4 divisors (see below), whose sum is σ = 141050054368. Its totient is φ = 140944472640.

The previous prime is 140997263479. The next prime is 140997263549. The reversal of 140997263503 is 305362799041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140997263503 - 2³⁷ = 3558310031 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 (140997263573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26391426 + ... + 26396767.

It is an arithmetic number, because the mean of its divisors is an integer number (35262513592).

Almost surely, 2^140997263503 is an apocalyptic number.

140997263503 is a deficient number, since it is larger than the sum of its proper divisors (52790865).

140997263503 is an equidigital number, since it uses as much as digits as its factorization.

140997263503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52790864.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 140997263503 in words is "one hundred forty billion, nine hundred ninety-seven million, two hundred sixty-three thousand, five hundred three".