206790136 has 16 divisors (see below), whose sum is σ = 443121840. Its totient is φ = 88624320.

The previous prime is 206790131. The next prime is 206790137. The reversal of 206790136 is 631097602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206790131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846285 + ... + 1846396.

It is an arithmetic number, because the mean of its divisors is an integer number (27695115).

Almost surely, 2^206790136 is an apocalyptic number.

It is an amenable number.

206790136 is an abundant number, since it is smaller than the sum of its proper divisors (236331704).

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

206790136 is a wasteful number, since it uses less digits than its factorization.

206790136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692694 (or 3692690 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 206790136 is about 14380.1994422887. The cubic root of 206790136 is about 591.3481914791.

The spelling of 206790136 in words is "two hundred six million, seven hundred ninety thousand, one hundred thirty-six".