2135252520135 has 24 divisors (see below), whose sum is σ = 4229833564320. Its totient is φ = 976115437632.

The previous prime is 2135252520131. The next prime is 2135252520151. The reversal of 2135252520135 is 5310252525312.

2135252520135 is a `hidden beast` number, since 2 + 1 + 3 + 52 + 52 + 520 + 1 + 35 = 666.

It is not a de Polignac number, because 2135252520135 - 2² = 2135252520131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2135252520135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135252520131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3389289400 + ... + 3389290029.

It is an arithmetic number, because the mean of its divisors is an integer number (176243065180).

Almost surely, 2^{2135252520135} is an apocalyptic number.

2135252520135 is a deficient number, since it is larger than the sum of its proper divisors (2094581044185).

2135252520135 is a wasteful number, since it uses less digits than its factorization.

2135252520135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778579447 (or 6778579444 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 2135252520135 in words is "two trillion, one hundred thirty-five billion, two hundred fifty-two million, five hundred twenty thousand, one hundred thirty-five".