133332155 has 16 divisors (see below), whose sum is σ = 174905568. Its totient is φ = 96768000.

The previous prime is 133332137. The next prime is 133332163. The reversal of 133332155 is 551233331.

It is not a de Polignac number, because 133332155 - 2¹⁴ = 133315771 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 27515 + ... + 31995.

It is an arithmetic number, because the mean of its divisors is an integer number (10931598).

Almost surely, 2^133332155 is an apocalyptic number.

133332155 is a deficient number, since it is larger than the sum of its proper divisors (41573413).

133332155 is a wasteful number, since it uses less digits than its factorization.

133332155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038.

The product of its digits is 4050, while the sum is 26.

The square root of 133332155 is about 11546.9543603497. The cubic root of 133332155 is about 510.8714499780.

Adding to 133332155 its reverse (551233331), we get a palindrome (684565486).

The spelling of 133332155 in words is "one hundred thirty-three million, three hundred thirty-two thousand, one hundred fifty-five".