133535455 has 4 divisors (see below), whose sum is σ = 160242552. Its totient is φ = 106828360.

The previous prime is 133535443. The next prime is 133535471. The reversal of 133535455 is 554535331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133535455 - 2⁷ = 133535327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133535455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13353541 + ... + 13353550.

It is an arithmetic number, because the mean of its divisors is an integer number (40060638).

Almost surely, 2^133535455 is an apocalyptic number.

133535455 is a deficient number, since it is larger than the sum of its proper divisors (26707097).

133535455 is an equidigital number, since it uses as much as digits as its factorization.

133535455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26707096.

The product of its digits is 67500, while the sum is 34.

The square root of 133535455 is about 11555.7541943397. The cubic root of 133535455 is about 511.1309708292.

The spelling of 133535455 in words is "one hundred thirty-three million, five hundred thirty-five thousand, four hundred fifty-five".