140644126335001 has 4 divisors (see below), whose sum is σ = 141958557422352. Its totient is φ = 139329695247652.

The previous prime is 140644126334923. The next prime is 140644126335073. The reversal of 140644126335001 is 100533621446041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140644126335001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140644120335001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657215543515 + ... + 657215543728.

It is an arithmetic number, because the mean of its divisors is an integer number (35489639355588).

Almost surely, 2^{140644126335001} is an apocalyptic number.

It is an amenable number.

140644126335001 is a deficient number, since it is larger than the sum of its proper divisors (1314431087351).

140644126335001 is a wasteful number, since it uses less digits than its factorization.

140644126335001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314431087350.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 140644126335001 in words is "one hundred forty trillion, six hundred forty-four billion, one hundred twenty-six million, three hundred thirty-five thousand, one".