140903717137 has 4 divisors (see below), whose sum is σ = 142486905060. Its totient is φ = 139320529216.

The previous prime is 140903717113. The next prime is 140903717159. The reversal of 140903717137 is 731717309041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19459134016 + 121444583121 = 139496^2 + 348489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140903717137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140903717093 and 140903717102.

It is not an unprimeable number, because it can be changed into a prime (140903717197) 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 3 ways as a sum of consecutive naturals, for example, 791593828 + ... + 791594005.

It is an arithmetic number, because the mean of its divisors is an integer number (35621726265).

Almost surely, 2^140903717137 is an apocalyptic number.

It is an amenable number.

140903717137 is a deficient number, since it is larger than the sum of its proper divisors (1583187923).

140903717137 is an equidigital number, since it uses as much as digits as its factorization.

140903717137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583187922.

The product of its (nonzero) digits is 111132, while the sum is 43.

The spelling of 140903717137 in words is "one hundred forty billion, nine hundred three million, seven hundred seventeen thousand, one hundred thirty-seven".