1400140130321 has 16 divisors (see below), whose sum is σ = 1450161090000. Its totient is φ = 1350236160000.

The previous prime is 1400140130317. The next prime is 1400140130327. The reversal of 1400140130321 is 1230310410041.

It can be written as a sum of positive squares in 8 ways, for example, as 299823048721 + 1100317081600 = 547561^2 + 1048960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400140130321 - 2² = 1400140130317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400140130293 and 1400140130302.

It is not an unprimeable number, because it can be changed into a prime (1400140130327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105672305 + ... + 105685553.

It is an arithmetic number, because the mean of its divisors is an integer number (90635068125).

Almost surely, 2^{1400140130321} is an apocalyptic number.

It is an amenable number.

1400140130321 is a deficient number, since it is larger than the sum of its proper divisors (50020959679).

1400140130321 is a wasteful number, since it uses less digits than its factorization.

1400140130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17380.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1400140130321 its reverse (1230310410041), we get a palindrome (2630450540362).

The spelling of 1400140130321 in words is "one trillion, four hundred billion, one hundred forty million, one hundred thirty thousand, three hundred twenty-one".