136203105 has 16 divisors (see below), whose sum is σ = 223815744. Its totient is φ = 70678080.

The previous prime is 136203103. The next prime is 136203113. The reversal of 136203105 is 501302631.

It is not a de Polignac number, because 136203105 - 2¹ = 136203103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136203103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122151 + ... + 123260.

It is an arithmetic number, because the mean of its divisors is an integer number (13988484).

Almost surely, 2^136203105 is an apocalyptic number.

136203105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136203105 is a deficient number, since it is larger than the sum of its proper divisors (87612639).

136203105 is a wasteful number, since it uses less digits than its factorization.

136203105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245456.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 136203105 is about 11670.6085959559. The cubic root of 136203105 is about 514.5121908711.

Adding to 136203105 its reverse (501302631), we get a palindrome (637505736).

The spelling of 136203105 in words is "one hundred thirty-six million, two hundred three thousand, one hundred five".