140321013 has 8 divisors (see below), whose sum is σ = 213822528. Its totient is φ = 80183424.

The previous prime is 140320987. The next prime is 140321021. The reversal of 140321013 is 310123041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140321013 - 2⁶ = 140320949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140320983 and 140321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140321813) 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 7 ways as a sum of consecutive naturals, for example, 3340956 + ... + 3340997.

It is an arithmetic number, because the mean of its divisors is an integer number (26727816).

Almost surely, 2^140321013 is an apocalyptic number.

It is an amenable number.

140321013 is a deficient number, since it is larger than the sum of its proper divisors (73501515).

140321013 is an equidigital number, since it uses as much as digits as its factorization.

140321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681963.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140321013 is about 11845.7170741159. The cubic root of 140321013 is about 519.6459782142.

Adding to 140321013 its reverse (310123041), we get a palindrome (450444054).

The spelling of 140321013 in words is "one hundred forty million, three hundred twenty-one thousand, thirteen".