140426443121 has 8 divisors (see below), whose sum is σ = 146712640704. Its totient is φ = 134155303920.

The previous prime is 140426443109. The next prime is 140426443139. The reversal of 140426443121 is 121344624041.

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 140426443121 - 2³⁰ = 139352701297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140426443181) 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, 3745526 + ... + 3782831.

It is an arithmetic number, because the mean of its divisors is an integer number (18339080088).

Almost surely, 2^140426443121 is an apocalyptic number.

It is an amenable number.

140426443121 is a deficient number, since it is larger than the sum of its proper divisors (6286197583).

140426443121 is an equidigital number, since it uses as much as digits as its factorization.

140426443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529191.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 140426443121 in words is "one hundred forty billion, four hundred twenty-six million, four hundred forty-three thousand, one hundred twenty-one".