133437135 has 16 divisors (see below), whose sum is σ = 229922784. Its totient is φ = 65692032.

The previous prime is 133437103. The next prime is 133437137. The reversal of 133437135 is 531734331.

It is not a de Polignac number, because 133437135 - 2⁵ = 133437103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133437137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341952 + ... + 342341.

It is an arithmetic number, because the mean of its divisors is an integer number (14370174).

Almost surely, 2^133437135 is an apocalyptic number.

133437135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133437135 is a deficient number, since it is larger than the sum of its proper divisors (96485649).

133437135 is a wasteful number, since it uses less digits than its factorization.

133437135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684314.

The product of its digits is 11340, while the sum is 30.

The square root of 133437135 is about 11551.4992533437. The cubic root of 133437135 is about 511.0054942009.

The spelling of 133437135 in words is "one hundred thirty-three million, four hundred thirty-seven thousand, one hundred thirty-five".