2135791368 has 128 divisors (see below), whose sum is σ = 6331440000. Its totient is φ = 665127936.

The previous prime is 2135791351. The next prime is 2135791397. The reversal of 2135791368 is 8631975312.

2135791368 is a `hidden beast` number, since 2 + 1 + 3 + 579 + 13 + 68 = 666.

It is a super-2 number, since 2×2135791368² = 9123209535246622848, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 296028 + ... + 303156.

It is an arithmetic number, because the mean of its divisors is an integer number (49464375).

Almost surely, 2^2135791368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135791368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3165720000).

2135791368 is an abundant number, since it is smaller than the sum of its proper divisors (4195648632).

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

2135791368 is a wasteful number, since it uses less digits than its factorization.

2135791368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236 (or 7226 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 2135791368 is about 46214.6228806424. The cubic root of 2135791368 is about 1287.8134077009.

The spelling of 2135791368 in words is "two billion, one hundred thirty-five million, seven hundred ninety-one thousand, three hundred sixty-eight".