635840146013 has 8 divisors (see below), whose sum is σ = 641864707968. Its totient is φ = 629835633504.

The previous prime is 635840145991. The next prime is 635840146031. The reversal of 635840146013 is 310641048536.

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-635840146013 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 (635842146013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4948631 + ... + 5075492.

It is an arithmetic number, because the mean of its divisors is an integer number (80233088496).

Almost surely, 2^635840146013 is an apocalyptic number.

It is an amenable number.

635840146013 is a deficient number, since it is larger than the sum of its proper divisors (6024561955).

635840146013 is a wasteful number, since it uses less digits than its factorization.

635840146013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024723.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 635840146013 in words is "six hundred thirty-five billion, eight hundred forty million, one hundred forty-six thousand, thirteen".