133706955 has 16 divisors (see below), whose sum is σ = 226515744. Its totient is φ = 67115520.

The previous prime is 133706953. The next prime is 133707071. The reversal of 133706955 is 559607331.

It is not a de Polignac number, because 133706955 - 2¹ = 133706953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133706953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261916 + ... + 262425.

It is an arithmetic number, because the mean of its divisors is an integer number (14157234).

Almost surely, 2^133706955 is an apocalyptic number.

133706955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133706955 is a deficient number, since it is larger than the sum of its proper divisors (92808789).

133706955 is a wasteful number, since it uses less digits than its factorization.

133706955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524366.

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 133706955 is about 11563.1723588296. The cubic root of 133706955 is about 511.3496929190.

The spelling of 133706955 in words is "one hundred thirty-three million, seven hundred six thousand, nine hundred fifty-five".