140642651633 has 8 divisors (see below), whose sum is σ = 153667712736. Its totient is φ = 127657484800.

The previous prime is 140642651623. The next prime is 140642651651. The reversal of 140642651633 is 336156246041.

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 140642651633 - 2²⁶ = 140575542769 is a prime.

It is a super-2 number, since 2×140642651633² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140642651623) 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, 9966191 + ... + 9980292.

It is an arithmetic number, because the mean of its divisors is an integer number (19208464092).

Almost surely, 2^140642651633 is an apocalyptic number.

It is an amenable number.

140642651633 is a deficient number, since it is larger than the sum of its proper divisors (13025061103).

140642651633 is a wasteful number, since it uses less digits than its factorization.

140642651633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19947135.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 140642651633 its reverse (336156246041), we get a palindrome (476798897674).

The spelling of 140642651633 in words is "one hundred forty billion, six hundred forty-two million, six hundred fifty-one thousand, six hundred thirty-three".