189101052 has 36 divisors (see below), whose sum is σ = 546292656. Its totient is φ = 54028800.

The previous prime is 189101051. The next prime is 189101063. The reversal of 189101052 is 250101981.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189101051) 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 11 ways as a sum of consecutive naturals, for example, 374949 + ... + 375452.

It is an arithmetic number, because the mean of its divisors is an integer number (15174796).

Almost surely, 2^189101052 is an apocalyptic number.

189101052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189101052 is an abundant number, since it is smaller than the sum of its proper divisors (357191604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189101052 is a wasteful number, since it uses less digits than its factorization.

189101052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750418 (or 750413 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 189101052 is about 13751.4018194510. The cubic root of 189101052 is about 573.9816146628.

The spelling of 189101052 in words is "one hundred eighty-nine million, one hundred one thousand, fifty-two".