188701340 has 24 divisors (see below), whose sum is σ = 409057152. Its totient is φ = 73045440.

The previous prime is 188701339. The next prime is 188701349. The reversal of 188701340 is 43107881.

It is a junction number, because it is equal to n+sod(n) for n = 188701297 and 188701306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188701349) 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 7 ways as a sum of consecutive naturals, for example, 151559 + ... + 152798.

It is an arithmetic number, because the mean of its divisors is an integer number (17044048).

Almost surely, 2^188701340 is an apocalyptic number.

188701340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188701340 is an abundant number, since it is smaller than the sum of its proper divisors (220355812).

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

188701340 is a wasteful number, since it uses less digits than its factorization.

188701340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304397 (or 304395 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 188701340 is about 13736.8606311631. The cubic root of 188701340 is about 573.5769118556.

The spelling of 188701340 in words is "one hundred eighty-eight million, seven hundred one thousand, three hundred forty".