2134510785 has 72 divisors (see below), whose sum is σ = 4217653440. Its totient is φ = 1034843040.

The previous prime is 2134510757. The next prime is 2134510811. The reversal of 2134510785 is 5870154312.

2134510785 is a `hidden beast` number, since 2 + 134 + 510 + 7 + 8 + 5 = 666.

It is not a de Polignac number, because 2134510785 - 2⁷ = 2134510657 is a prime.

It is a super-2 number, since 2×2134510785² = 9112272582562632450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139756 + ... + 154274.

It is an arithmetic number, because the mean of its divisors is an integer number (58578520).

Almost surely, 2^2134510785 is an apocalyptic number.

It is an amenable number.

2134510785 is a deficient number, since it is larger than the sum of its proper divisors (2083142655).

2134510785 is a wasteful number, since it uses less digits than its factorization.

2134510785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14561 (or 14538 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 2134510785 is about 46200.7660650773. The cubic root of 2134510785 is about 1287.5559728077. Note that the first 3 decimals are identical.

The spelling of 2134510785 in words is "two billion, one hundred thirty-four million, five hundred ten thousand, seven hundred eighty-five".