140045215321 has 8 divisors (see below), whose sum is σ = 157704876288. Its totient is φ = 123206934000.

The previous prime is 140045215279. The next prime is 140045215367. The reversal of 140045215321 is 123512540041.

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

It is a cyclic number.

It is not a de Polignac number, because 140045215321 - 2²⁷ = 139910997593 is a prime.

It is a super-2 number, since 2×140045215321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140045215321.

It is not an unprimeable number, because it can be changed into a prime (140045215381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205344550 + ... + 205345231.

It is an arithmetic number, because the mean of its divisors is an integer number (19713109536).

Almost surely, 2^140045215321 is an apocalyptic number.

140045215321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140045215321 is a deficient number, since it is larger than the sum of its proper divisors (17659660967).

140045215321 is a wasteful number, since it uses less digits than its factorization.

140045215321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410689823.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 140045215321 its reverse (123512540041), we get a palindrome (263557755362).

The spelling of 140045215321 in words is "one hundred forty billion, forty-five million, two hundred fifteen thousand, three hundred twenty-one".