133106955 has 32 divisors (see below), whose sum is σ = 221832000. Its totient is φ = 68070912.

The previous prime is 133106947. The next prime is 133106971. The reversal of 133106955 is 559601331.

It is not a de Polignac number, because 133106955 - 2³ = 133106947 is a prime.

It is a super-2 number, since 2×133106955² = 35434922938744050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67321 + ... + 69269.

It is an arithmetic number, because the mean of its divisors is an integer number (6932250).

Almost surely, 2^133106955 is an apocalyptic number.

133106955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133106955 is a deficient number, since it is larger than the sum of its proper divisors (88725045).

133106955 is a wasteful number, since it uses less digits than its factorization.

133106955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 133106955 is about 11537.1987501299. The cubic root of 133106955 is about 510.5836647244.

The spelling of 133106955 in words is "one hundred thirty-three million, one hundred six thousand, nine hundred fifty-five".