201135136 has 12 divisors (see below), whose sum is σ = 395984862. Its totient is φ = 100567552.

The previous prime is 201135133. The next prime is 201135149. The reversal of 201135136 is 631531102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133171600 + 67963536 = 11540^2 + 8244^2 .

It is not an unprimeable number, because it can be changed into a prime (201135133) by changing a digit.

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 as a sum of consecutive naturals, namely, 3142705 + ... + 3142768.

Almost surely, 2^201135136 is an apocalyptic number.

It is an amenable number.

201135136 is a deficient number, since it is larger than the sum of its proper divisors (194849726).

201135136 is an equidigital number, since it uses as much as digits as its factorization.

201135136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285483 (or 6285475 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 201135136 is about 14182.2119572371. The cubic root of 201135136 is about 585.9078469867.

Adding to 201135136 its reverse (631531102), we get a palindrome (832666238).

The spelling of 201135136 in words is "two hundred one million, one hundred thirty-five thousand, one hundred thirty-six".