136205146 has 32 divisors (see below), whose sum is σ = 255301632. Its totient is φ = 52946160.

The previous prime is 136205137. The next prime is 136205161. The reversal of 136205146 is 641502631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98955 + ... + 100321.

It is an arithmetic number, because the mean of its divisors is an integer number (7978176).

Almost surely, 2^136205146 is an apocalyptic number.

136205146 is a deficient number, since it is larger than the sum of its proper divisors (119096486).

136205146 is a wasteful number, since it uses less digits than its factorization.

136205146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 136205146 is about 11670.6960375121. The cubic root of 136205146 is about 514.5147608422.

Adding to 136205146 its reverse (641502631), we get a palindrome (777707777).

The spelling of 136205146 in words is "one hundred thirty-six million, two hundred five thousand, one hundred forty-six".