140121100043 has 8 divisors (see below), whose sum is σ = 146221711008. Its totient is φ = 134021188224.

The previous prime is 140121100039. The next prime is 140121100051. The reversal of 140121100043 is 340001121041.

It is a happy number.

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 140121100043 - 2² = 140121100039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140121099994 and 140121100030.

It is not an unprimeable number, because it can be changed into a prime (140121100843) 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, 257555 + ... + 588707.

It is an arithmetic number, because the mean of its divisors is an integer number (18277713876).

Almost surely, 2^140121100043 is an apocalyptic number.

140121100043 is a deficient number, since it is larger than the sum of its proper divisors (6100610965).

140121100043 is a wasteful number, since it uses less digits than its factorization.

140121100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349573.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 140121100043 its reverse (340001121041), we get a palindrome (480122221084).

The spelling of 140121100043 in words is "one hundred forty billion, one hundred twenty-one million, one hundred thousand, forty-three".