136345203 has 12 divisors (see below), whose sum is σ = 200659680. Its totient is φ = 89181456.

The previous prime is 136345171. The next prime is 136345207. The reversal of 136345203 is 302543631.

It is a happy number.

136345203 is a `hidden beast` number, since 1 + 3 + 634 + 5 + 20 + 3 = 666.

It is not a de Polignac number, because 136345203 - 2⁵ = 136345171 is a prime.

It is a super-2 number, since 2×136345203² = 37180028762222418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136345207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142443 + ... + 143396.

It is an arithmetic number, because the mean of its divisors is an integer number (16721640).

Almost surely, 2^136345203 is an apocalyptic number.

136345203 is a deficient number, since it is larger than the sum of its proper divisors (64314477).

136345203 is a wasteful number, since it uses less digits than its factorization.

136345203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285898 (or 285895 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 136345203 is about 11676.6948662710. The cubic root of 136345203 is about 514.6910554740.

Adding to 136345203 its reverse (302543631), we get a palindrome (438888834).

The spelling of 136345203 in words is "one hundred thirty-six million, three hundred forty-five thousand, two hundred three".