140426610821 has 8 divisors (see below), whose sum is σ = 160489904064. Its totient is φ = 120363904800.

The previous prime is 140426610811. The next prime is 140426610833. The reversal of 140426610821 is 128016624041.

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 140426610821 - 2²² = 140422416517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140426610811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664721 + ... + 850121.

It is an arithmetic number, because the mean of its divisors is an integer number (20061238008).

Almost surely, 2^140426610821 is an apocalyptic number.

It is an amenable number.

140426610821 is a deficient number, since it is larger than the sum of its proper divisors (20063293243).

140426610821 is a wasteful number, since it uses less digits than its factorization.

140426610821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293611.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 140426610821 in words is "one hundred forty billion, four hundred twenty-six million, six hundred ten thousand, eight hundred twenty-one".