136203956 has 48 divisors (see below), whose sum is σ = 288863232. Its totient is φ = 54950400.

The previous prime is 136203943. The next prime is 136203961. The reversal of 136203956 is 659302631.

It is a congruent number.

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, 29996 + ... + 34236.

It is an arithmetic number, because the mean of its divisors is an integer number (6017984).

Almost surely, 2^136203956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136203956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144431616).

136203956 is an abundant number, since it is smaller than the sum of its proper divisors (152659276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136203956 is a wasteful number, since it uses less digits than its factorization.

136203956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 4318 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 136203956 is about 11670.6450550087. The cubic root of 136203956 is about 514.5132624300.

It can be divided in two parts, 13620 and 3956, that added together give a cube (17576 = 26³).

The spelling of 136203956 in words is "one hundred thirty-six million, two hundred three thousand, nine hundred fifty-six".