140632793321 has 4 divisors (see below), whose sum is σ = 140879951700. Its totient is φ = 140385634944.

The previous prime is 140632793303. The next prime is 140632793363. The reversal of 140632793321 is 123397236041.

It is a happy number.

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 15935527696 + 124697265625 = 126236^2 + 353125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140632793321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140632793381) 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, 123578336 + ... + 123579473.

It is an arithmetic number, because the mean of its divisors is an integer number (35219987925).

Almost surely, 2^140632793321 is an apocalyptic number.

It is an amenable number.

140632793321 is a deficient number, since it is larger than the sum of its proper divisors (247158379).

140632793321 is an equidigital number, since it uses as much as digits as its factorization.

140632793321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247158378.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 140632793321 in words is "one hundred forty billion, six hundred thirty-two million, seven hundred ninety-three thousand, three hundred twenty-one".