109487133 has 40 divisors (see below), whose sum is σ = 192980480. Its totient is φ = 60536160.

The previous prime is 109487117. The next prime is 109487143. The reversal of 109487133 is 331784901.

It is a happy number.

It is not a de Polignac number, because 109487133 - 2⁴ = 109487117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109487113) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14463 + ... + 20691.

It is an arithmetic number, because the mean of its divisors is an integer number (4824512).

Almost surely, 2^109487133 is an apocalyptic number.

It is an amenable number.

109487133 is a deficient number, since it is larger than the sum of its proper divisors (83493347).

109487133 is an equidigital number, since it uses as much as digits as its factorization.

109487133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279 (or 6270 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 109487133 is about 10463.6099411245. The cubic root of 109487133 is about 478.3961705123.

It can be divided in two parts, 10948 and 7133, that added together give a palindrome (18081).

The spelling of 109487133 in words is "one hundred nine million, four hundred eighty-seven thousand, one hundred thirty-three".