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109528133 = 1113765931

109528133 has 8 divisors (see below), whose sum is σ = 128676576. Its totient is φ = 91911600.

The previous prime is 109528129. The next prime is 109528151. The reversal of 109528133 is 331825901.

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

It is not a de Polignac number, because 109528133 - 22 = 109528129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109528133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109528163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 382823 + ... + 383108.

It is an arithmetic number, because the mean of its divisors is an integer number (16084572).

Almost surely, 2109528133 is an apocalyptic number.

109528133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109528133 is a deficient number, since it is larger than the sum of its proper divisors (19148443).

109528133 is a wasteful number, since it uses less digits than its factorization.

109528133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765955.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 109528133 is about 10465.5689286345. The cubic root of 109528133 is about 478.4558785791.

The spelling of 109528133 in words is "one hundred nine million, five hundred twenty-eight thousand, one hundred thirty-three".

Divisors: 1 11 13 143 765931 8425241 9957103 109528133