189137752 has 16 divisors (see below), whose sum is σ = 359629200. Its totient is φ = 93236640.

The previous prime is 189137737. The next prime is 189137813. The reversal of 189137752 is 257731981.

It is a super-2 number, since 2×189137752² = 71546178463227008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189137699 and 189137708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165927 + ... + 167062.

It is an arithmetic number, because the mean of its divisors is an integer number (22476825).

Almost surely, 2^189137752 is an apocalyptic number.

It is an amenable number.

189137752 is a deficient number, since it is larger than the sum of its proper divisors (170491448).

189137752 is a wasteful number, since it uses less digits than its factorization.

189137752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333066 (or 333062 counting only the distinct ones).

The product of its digits is 105840, while the sum is 43.

The square root of 189137752 is about 13752.7361641239. The cubic root of 189137752 is about 574.0187443041.

The spelling of 189137752 in words is "one hundred eighty-nine million, one hundred thirty-seven thousand, seven hundred fifty-two".