2135187273330 has 48 divisors (see below), whose sum is σ = 5551571810304. Its totient is φ = 569374565280.

The previous prime is 2135187273257. The next prime is 2135187273379. The reversal of 2135187273330 is 333727815312.

2135187273330 is a `hidden beast` number, since 2 + 1 + 3 + 518 + 72 + 7 + 33 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7562767 + ... + 7840013.

It is an arithmetic number, because the mean of its divisors is an integer number (115657746048).

Almost surely, 2^{2135187273330} is an apocalyptic number.

2135187273330 is an abundant number, since it is smaller than the sum of its proper divisors (3416384536974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135187273330 is a wasteful number, since it uses less digits than its factorization.

2135187273330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362831 (or 362828 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 2135187273330 in words is "two trillion, one hundred thirty-five billion, one hundred eighty-seven million, two hundred seventy-three thousand, three hundred thirty".