204136946 has 16 divisors (see below), whose sum is σ = 330945048. Its totient is φ = 93878400.

The previous prime is 204136943. The next prime is 204136949. The reversal of 204136946 is 649631402.

204136946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204136943) and next prime (204136949).

It can be written as a sum of positive squares in 4 ways, for example, as 156375025 + 47761921 = 12505^2 + 6911^2 .

It is not an unprimeable number, because it can be changed into a prime (204136943) 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, 6665 + ... + 21276.

Almost surely, 2^204136946 is an apocalyptic number.

204136946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204136946 is a deficient number, since it is larger than the sum of its proper divisors (126808102).

204136946 is a wasteful number, since it uses less digits than its factorization.

204136946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28237.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 204136946 is about 14287.6501216960. The cubic root of 204136946 is about 588.8082291778.

The spelling of 204136946 in words is "two hundred four million, one hundred thirty-six thousand, nine hundred forty-six".