140126461021 has 8 divisors (see below), whose sum is σ = 146538880704. Its totient is φ = 133740705120.

The previous prime is 140126460997. The next prime is 140126461037. The reversal of 140126461021 is 120164621041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140126461021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140126461121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655195 + ... + 6676216.

It is an arithmetic number, because the mean of its divisors is an integer number (18317360088).

Almost surely, 2^140126461021 is an apocalyptic number.

It is an amenable number.

140126461021 is a deficient number, since it is larger than the sum of its proper divisors (6412419683).

140126461021 is a wasteful number, since it uses less digits than its factorization.

140126461021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331891.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 140126461021 in words is "one hundred forty billion, one hundred twenty-six million, four hundred sixty-one thousand, twenty-one".