7236136 has 8 divisors (see below), whose sum is σ = 13567770. Its totient is φ = 3618064.

The previous prime is 7236133. The next prime is 7236161. The reversal of 7236136 is 6316327.

It can be written as a sum of positive squares in only one way, i.e., 7236100 + 36 = 2690^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7236133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452251 + ... + 452266.

Almost surely, 2^7236136 is an apocalyptic number.

It is an amenable number.

7236136 is a deficient number, since it is larger than the sum of its proper divisors (6331634).

7236136 is a wasteful number, since it uses less digits than its factorization.

7236136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904523 (or 904519 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 7236136 is about 2690.0066914415. The cubic root of 7236136 is about 193.4203835760.

It can be divided in two parts, 72361 and 36, that multiplied together give a square (2604996 = 1614²).

The spelling of 7236136 in words is "seven million, two hundred thirty-six thousand, one hundred thirty-six".