1020400140014 has 8 divisors (see below), whose sum is σ = 1530609738120. Its totient is φ = 510196893976.

The previous prime is 1020400140007. The next prime is 1020400140037. The reversal of 1020400140014 is 4100410040201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020400139974 and 1020400140001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163744 + ... + 1842579.

It is an arithmetic number, because the mean of its divisors is an integer number (191326217265).

Almost surely, 2^{1020400140014} is an apocalyptic number.

1020400140014 is a deficient number, since it is larger than the sum of its proper divisors (510209598106).

1020400140014 is a wasteful number, since it uses less digits than its factorization.

1020400140014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176034.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020400140014 its reverse (4100410040201), we get a palindrome (5120810180215).

The spelling of 1020400140014 in words is "one trillion, twenty billion, four hundred million, one hundred forty thousand, fourteen".