140032340220321 has 32 divisors (see below), whose sum is σ = 209400508886400. Its totient is φ = 92479610926080.

The previous prime is 140032340220317. The next prime is 140032340220389. The reversal of 140032340220321 is 123022043230041.

140032340220321 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 32 + 3 + 402 + 203 + 21 = 666.

It is not a de Polignac number, because 140032340220321 - 2² = 140032340220317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140032340220221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96701265 + ... + 98138673.

It is an arithmetic number, because the mean of its divisors is an integer number (6543765902700).

Almost surely, 2^{140032340220321} is an apocalyptic number.

It is an amenable number.

140032340220321 is a deficient number, since it is larger than the sum of its proper divisors (69368168666079).

140032340220321 is a wasteful number, since it uses less digits than its factorization.

140032340220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471246 (or 1471240 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 140032340220321 its reverse (123022043230041), we get a palindrome (263054383450362).

The spelling of 140032340220321 in words is "one hundred forty trillion, thirty-two billion, three hundred forty million, two hundred twenty thousand, three hundred twenty-one".