140121414045 has 24 divisors (see below), whose sum is σ = 247459709016. Its totient is φ = 73321392768.

The previous prime is 140121414019. The next prime is 140121414047. The reversal of 140121414045 is 540414121041.

It is a happy number.

140121414045 is a `hidden beast` number, since 1 + 40 + 1 + 214 + 1 + 404 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38888628804 + 101232785241 = 197202^2 + 318171^2 .

It is not a de Polignac number, because 140121414045 - 2¹⁶ = 140121348509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140121414047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29373174 + ... + 29377943.

It is an arithmetic number, because the mean of its divisors is an integer number (10310821209).

Almost surely, 2^140121414045 is an apocalyptic number.

140121414045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140121414045 is a deficient number, since it is larger than the sum of its proper divisors (107338294971).

140121414045 is a wasteful number, since it uses less digits than its factorization.

140121414045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58751181 (or 58751178 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 140121414045 its reverse (540414121041), we get a palindrome (680535535086).

The spelling of 140121414045 in words is "one hundred forty billion, one hundred twenty-one million, four hundred fourteen thousand, forty-five".