140121043040106 has 24 divisors (see below), whose sum is σ = 308572570194564. Its totient is φ = 45941325586560.

The previous prime is 140121043040101. The next prime is 140121043040197. The reversal of 140121043040106 is 601040340121041.

140121043040106 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 210 + 43 + 0 + 401 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 136854691677081 + 3266351363025 = 11698491^2 + 1807305^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140121043040106.

It is not an unprimeable number, because it can be changed into a prime (140121043040101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63807395551 + ... + 63807397746.

Almost surely, 2^{140121043040106} is an apocalyptic number.

140121043040106 is an abundant number, since it is smaller than the sum of its proper divisors (168451527154458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140121043040106 is a wasteful number, since it uses less digits than its factorization.

140121043040106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127614793366 (or 127614793363 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 140121043040106 its reverse (601040340121041), we get a palindrome (741161383161147).

The spelling of 140121043040106 in words is "one hundred forty trillion, one hundred twenty-one billion, forty-three million, forty thousand, one hundred six".