2135907368 has 32 divisors (see below), whose sum is σ = 4587192000. Its totient is φ = 913339392.

The previous prime is 2135907359. The next prime is 2135907373. The reversal of 2135907368 is 8637095312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17330 + ... + 67617.

It is an arithmetic number, because the mean of its divisors is an integer number (143349750).

Almost surely, 2^2135907368 is an apocalyptic number.

2135907368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2135907368 is an abundant number, since it is smaller than the sum of its proper divisors (2451284632).

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

2135907368 is a wasteful number, since it uses less digits than its factorization.

2135907368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85409 (or 85405 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 2135907368 is about 46215.8778776299. The cubic root of 2135907368 is about 1287.8367220335.

The spelling of 2135907368 in words is "two billion, one hundred thirty-five million, nine hundred seven thousand, three hundred sixty-eight".