140135535217 has 8 divisors (see below), whose sum is σ = 142702562880. Its totient is φ = 137574902640.

The previous prime is 140135535187. The next prime is 140135535343. The reversal of 140135535217 is 712535531041.

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 140135535217 - 2²³ = 140127146609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140135535817) 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, 1554534 + ... + 1642207.

It is an arithmetic number, because the mean of its divisors is an integer number (17837820360).

Almost surely, 2^140135535217 is an apocalyptic number.

It is an amenable number.

140135535217 is a deficient number, since it is larger than the sum of its proper divisors (2567027663).

140135535217 is an equidigital number, since it uses as much as digits as its factorization.

140135535217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197543.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 140135535217 in words is "one hundred forty billion, one hundred thirty-five million, five hundred thirty-five thousand, two hundred seventeen".