133655645 has 8 divisors (see below), whose sum is σ = 167360256. Its totient is φ = 102275536.

The previous prime is 133655617. The next prime is 133655657. The reversal of 133655645 is 546556331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133655645 - 2¹⁶ = 133590109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133655599 and 133655608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580997 + ... + 581226.

It is an arithmetic number, because the mean of its divisors is an integer number (20920032).

Almost surely, 2^133655645 is an apocalyptic number.

It is an amenable number.

133655645 is a deficient number, since it is larger than the sum of its proper divisors (33704611).

133655645 is a wasteful number, since it uses less digits than its factorization.

133655645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162251.

The product of its digits is 162000, while the sum is 38.

The square root of 133655645 is about 11560.9534641395. The cubic root of 133655645 is about 511.2842744580.

The spelling of 133655645 in words is "one hundred thirty-three million, six hundred fifty-five thousand, six hundred forty-five".