133434155 has 8 divisors (see below), whose sum is σ = 167082912. Its totient is φ = 102106048.

The previous prime is 133434149. The next prime is 133434157. The reversal of 133434155 is 551434331.

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 133434155 - 2⁸ = 133433899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133434157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580034 + ... + 580263.

It is an arithmetic number, because the mean of its divisors is an integer number (20885364).

Almost surely, 2^133434155 is an apocalyptic number.

133434155 is a deficient number, since it is larger than the sum of its proper divisors (33648757).

133434155 is a wasteful number, since it uses less digits than its factorization.

133434155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160325.

The product of its digits is 10800, while the sum is 29.

The square root of 133434155 is about 11551.3702650378. The cubic root of 133434155 is about 511.0016901432.

Adding to 133434155 its reverse (551434331), we get a palindrome (684868486).

The spelling of 133434155 in words is "one hundred thirty-three million, four hundred thirty-four thousand, one hundred fifty-five".