133535505 has 16 divisors (see below), whose sum is σ = 215290944. Its totient is φ = 70674240.

The previous prime is 133535471. The next prime is 133535509. The reversal of 133535505 is 505535331.

It is not a de Polignac number, because 133535505 - 2⁹ = 133534993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133535509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32014 + ... + 35943.

It is an arithmetic number, because the mean of its divisors is an integer number (13455684).

Almost surely, 2^133535505 is an apocalyptic number.

133535505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133535505 is a deficient number, since it is larger than the sum of its proper divisors (81755439).

133535505 is a wasteful number, since it uses less digits than its factorization.

133535505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68096.

The product of its (nonzero) digits is 16875, while the sum is 30.

The square root of 133535505 is about 11555.7563577639. The cubic root of 133535505 is about 511.1310346238.

The spelling of 133535505 in words is "one hundred thirty-three million, five hundred thirty-five thousand, five hundred five".