140121100443131 has 8 divisors (see below), whose sum is σ = 146213567506944. Its totient is φ = 134028653821480.

The previous prime is 140121100443073. The next prime is 140121100443133. The reversal of 140121100443131 is 131344001121041.

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

It is a cyclic number.

It is not a de Polignac number, because 140121100443131 - 2¹⁸ = 140121100180987 is a prime.

It is a super-2 number, since 2×140121100443131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140121100443131.

It is not an unprimeable number, because it can be changed into a prime (140121100443133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9825296 + ... + 19410786.

It is an arithmetic number, because the mean of its divisors is an integer number (18276695938368).

Almost surely, 2^{140121100443131} is an apocalyptic number.

140121100443131 is a deficient number, since it is larger than the sum of its proper divisors (6092467063813).

140121100443131 is an equidigital number, since it uses as much as digits as its factorization.

140121100443131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221081.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 140121100443131 its reverse (131344001121041), we get a palindrome (271465101564172).

The spelling of 140121100443131 in words is "one hundred forty trillion, one hundred twenty-one billion, one hundred million, four hundred forty-three thousand, one hundred thirty-one".