113400140121 has 12 divisors (see below), whose sum is σ = 166044041748. Its totient is φ = 74564475264.

The previous prime is 113400140099. The next prime is 113400140131. The reversal of 113400140121 is 121041004311.

113400140121 is a `hidden beast` number, since 1 + 1 + 3 + 400 + 140 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82771290000 + 30628850121 = 287700^2 + 175011^2 .

It is not a de Polignac number, because 113400140121 - 2¹¹ = 113400138073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113400140094 and 113400140103.

It is not an unprimeable number, because it can be changed into a prime (113400140131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86300820 + ... + 86302133.

It is an arithmetic number, because the mean of its divisors is an integer number (13837003479).

Almost surely, 2^113400140121 is an apocalyptic number.

It is an amenable number.

113400140121 is a deficient number, since it is larger than the sum of its proper divisors (52643901627).

113400140121 is a wasteful number, since it uses less digits than its factorization.

113400140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172603032 (or 172603029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 113400140121 its reverse (121041004311), we get a palindrome (234441144432).

The spelling of 113400140121 in words is "one hundred thirteen billion, four hundred million, one hundred forty thousand, one hundred twenty-one".