13620400235 has 16 divisors (see below), whose sum is σ = 17612434560. Its totient is φ = 10052035200.

The previous prime is 13620400231. The next prime is 13620400253. The reversal of 13620400235 is 53200402631.

It is not a de Polignac number, because 13620400235 - 2² = 13620400231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13620400231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45710 + ... + 171260.

It is an arithmetic number, because the mean of its divisors is an integer number (1100777160).

Almost surely, 2^13620400235 is an apocalyptic number.

13620400235 is a deficient number, since it is larger than the sum of its proper divisors (3992034325).

13620400235 is a wasteful number, since it uses less digits than its factorization.

13620400235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127238.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13620400235 its reverse (53200402631), we get a palindrome (66820802866).

The spelling of 13620400235 in words is "thirteen billion, six hundred twenty million, four hundred thousand, two hundred thirty-five".