2136806434 has 16 divisors (see below), whose sum is σ = 3669087168. Its totient is φ = 914276592.

The previous prime is 2136806387. The next prime is 2136806437. The reversal of 2136806434 is 4346086312.

It is a junction number, because it is equal to n+sod(n) for n = 2136806393 and 2136806402.

It is not an unprimeable number, because it can be changed into a prime (2136806437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115912 + ... + 133075.

It is an arithmetic number, because the mean of its divisors is an integer number (229317948).

Almost surely, 2^2136806434 is an apocalyptic number.

2136806434 is a deficient number, since it is larger than the sum of its proper divisors (1532280734).

2136806434 is a wasteful number, since it uses less digits than its factorization.

2136806434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249609.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 2136806434 is about 46225.6036629053. The cubic root of 2136806434 is about 1288.0173927573.

The spelling of 2136806434 in words is "two billion, one hundred thirty-six million, eight hundred six thousand, four hundred thirty-four".