133214155 has 8 divisors (see below), whose sum is σ = 160023312. Its totient is φ = 106460448.

The previous prime is 133214141. The next prime is 133214173. The reversal of 133214155 is 551412331.

It is a happy number.

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 133214155 - 2¹⁹ = 132689867 is a prime.

It is a super-2 number, since 2×133214155² = 35492022184728050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8377 + ... + 18346.

It is an arithmetic number, because the mean of its divisors is an integer number (20002914).

Almost surely, 2^133214155 is an apocalyptic number.

133214155 is a deficient number, since it is larger than the sum of its proper divisors (26809157).

133214155 is an equidigital number, since it uses as much as digits as its factorization.

133214155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725.

The product of its digits is 1800, while the sum is 25.

The square root of 133214155 is about 11541.8436568860. The cubic root of 133214155 is about 510.7206970871.

Adding to 133214155 its reverse (551412331), we get a palindrome (684626486).

The spelling of 133214155 in words is "one hundred thirty-three million, two hundred fourteen thousand, one hundred fifty-five".