140303501321 has 4 divisors (see below), whose sum is σ = 140603937552. Its totient is φ = 140003065092.

The previous prime is 140303501311. The next prime is 140303501323. The reversal of 140303501321 is 123105303041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140303501321 - 2²² = 140299307017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140303501323) 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, 150217415 + ... + 150218348.

It is an arithmetic number, because the mean of its divisors is an integer number (35150984388).

Almost surely, 2^140303501321 is an apocalyptic number.

It is an amenable number.

140303501321 is a deficient number, since it is larger than the sum of its proper divisors (300436231).

140303501321 is an equidigital number, since it uses as much as digits as its factorization.

140303501321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300436230.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 140303501321 its reverse (123105303041), we get a palindrome (263408804362).

The spelling of 140303501321 in words is "one hundred forty billion, three hundred three million, five hundred one thousand, three hundred twenty-one".