136320236 has 24 divisors (see below), whose sum is σ = 257626320. Its totient is φ = 62741952.

The previous prime is 136320181. The next prime is 136320311. The reversal of 136320236 is 632023631.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16250 + ... + 23166.

It is an arithmetic number, because the mean of its divisors is an integer number (10734430).

Almost surely, 2^136320236 is an apocalyptic number.

It is an amenable number.

136320236 is a deficient number, since it is larger than the sum of its proper divisors (121306084).

136320236 is a wasteful number, since it uses less digits than its factorization.

136320236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7313 (or 7311 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 136320236 is about 11675.6257219902. The cubic root of 136320236 is about 514.6596374856.

Adding to 136320236 its reverse (632023631), we get a palindrome (768343867).

The spelling of 136320236 in words is "one hundred thirty-six million, three hundred twenty thousand, two hundred thirty-six".