133156162 has 16 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 65892240.

The previous prime is 133156141. The next prime is 133156171. The reversal of 133156162 is 261651331.

It is a self number, because there is not a number n which added to its sum of digits gives 133156162.

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, 127639 + ... + 128677.

It is an arithmetic number, because the mean of its divisors is an integer number (12612600).

Almost surely, 2^133156162 is an apocalyptic number.

133156162 is a deficient number, since it is larger than the sum of its proper divisors (68645438).

133156162 is a wasteful number, since it uses less digits than its factorization.

133156162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its digits is 3240, while the sum is 28.

The square root of 133156162 is about 11539.3310897989. The cubic root of 133156162 is about 510.6465745226.

The spelling of 133156162 in words is "one hundred thirty-three million, one hundred fifty-six thousand, one hundred sixty-two".