188480137 has 16 divisors (see below), whose sum is σ = 197987328. Its totient is φ = 179262720.

The previous prime is 188480129. The next prime is 188480141. The reversal of 188480137 is 731084881.

It is a cyclic number.

It is not a de Polignac number, because 188480137 - 2³ = 188480129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 188480137.

It is not an unprimeable number, because it can be changed into a prime (188480107) 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 15 ways as a sum of consecutive naturals, for example, 435073 + ... + 435505.

It is an arithmetic number, because the mean of its divisors is an integer number (12374208).

Almost surely, 2^188480137 is an apocalyptic number.

It is an amenable number.

188480137 is a deficient number, since it is larger than the sum of its proper divisors (9507191).

188480137 is a wasteful number, since it uses less digits than its factorization.

188480137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 188480137 is about 13728.8068308939. The cubic root of 188480137 is about 573.3527012191.

The spelling of 188480137 in words is "one hundred eighty-eight million, four hundred eighty thousand, one hundred thirty-seven".