120135365653 has 8 divisors (see below), whose sum is σ = 121938980672. Its totient is φ = 118332061056.

The previous prime is 120135365617. The next prime is 120135365657. The reversal of 120135365653 is 356563531021.

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 120135365653 - 2³³ = 111545431061 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 (120135365657) 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, 771376 + ... + 913942.

It is an arithmetic number, because the mean of its divisors is an integer number (15242372584).

Almost surely, 2^120135365653 is an apocalyptic number.

It is an amenable number.

120135365653 is a deficient number, since it is larger than the sum of its proper divisors (1803615019).

120135365653 is a wasteful number, since it uses less digits than its factorization.

120135365653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155211.

The product of its (nonzero) digits is 243000, while the sum is 40.

Adding to 120135365653 its reverse (356563531021), we get a palindrome (476698896674).

The spelling of 120135365653 in words is "one hundred twenty billion, one hundred thirty-five million, three hundred sixty-five thousand, six hundred fifty-three".