135372136 has 16 divisors (see below), whose sum is σ = 253953540. Its totient is φ = 67651200.

The previous prime is 135372121. The next prime is 135372157. The reversal of 135372136 is 631273531.

It can be written as a sum of positive squares in 2 ways, for example, as 79032100 + 56340036 = 8890^2 + 7506^2 .

It is a super-3 number, since 3×135372136³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135372098 and 135372107.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 20436 + ... + 26236.

Almost surely, 2^135372136 is an apocalyptic number.

It is an amenable number.

135372136 is a deficient number, since it is larger than the sum of its proper divisors (118581404).

135372136 is a wasteful number, since it uses less digits than its factorization.

135372136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724 (or 8720 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 135372136 is about 11634.9532014529. The cubic root of 135372136 is about 513.4637171849.

The spelling of 135372136 in words is "one hundred thirty-five million, three hundred seventy-two thousand, one hundred thirty-six".