133662154 has 16 divisors (see below), whose sum is σ = 211864320. Its totient is φ = 63114480.

The previous prime is 133662149. The next prime is 133662181. The reversal of 133662154 is 451266331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14757 + ... + 22024.

It is an arithmetic number, because the mean of its divisors is an integer number (13241520).

Almost surely, 2^133662154 is an apocalyptic number.

133662154 is a deficient number, since it is larger than the sum of its proper divisors (78202166).

133662154 is a wasteful number, since it uses less digits than its factorization.

133662154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36885.

The product of its digits is 12960, while the sum is 31.

The square root of 133662154 is about 11561.2349686355. The cubic root of 133662154 is about 511.2925741332.

The spelling of 133662154 in words is "one hundred thirty-three million, six hundred sixty-two thousand, one hundred fifty-four".