188070133 has 8 divisors (see below), whose sum is σ = 206000280. Its totient is φ = 170903040.

The previous prime is 188070121. The next prime is 188070163. The reversal of 188070133 is 331070881.

It can be written as a sum of positive squares in 4 ways, for example, as 110313009 + 77757124 = 10503^2 + 8818^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-188070133 is a prime.

It is a super-3 number, since 3×188070133³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 188070095 and 188070104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188070163) by changing a digit.

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, 190248 + ... + 191233.

It is an arithmetic number, because the mean of its divisors is an integer number (25750035).

Almost surely, 2^188070133 is an apocalyptic number.

It is an amenable number.

188070133 is a deficient number, since it is larger than the sum of its proper divisors (17930147).

188070133 is a wasteful number, since it uses less digits than its factorization.

188070133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381527.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 188070133 is about 13713.8664496924. The cubic root of 188070133 is about 572.9366581521.

The spelling of 188070133 in words is "one hundred eighty-eight million, seventy thousand, one hundred thirty-three".