188265140 has 48 divisors (see below), whose sum is σ = 478420992. Its totient is φ = 60750336.

The previous prime is 188265107. The next prime is 188265179. The reversal of 188265140 is 41562881.

188265140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 188265140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37172 + ... + 41931.

It is an arithmetic number, because the mean of its divisors is an integer number (9967104).

Almost surely, 2^188265140 is an apocalyptic number.

188265140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188265140 is an abundant number, since it is smaller than the sum of its proper divisors (290155852).

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

188265140 is a wasteful number, since it uses less digits than its factorization.

188265140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79136 (or 79134 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 188265140 is about 13720.9744551909. The cubic root of 188265140 is about 573.1346127901.

The spelling of 188265140 in words is "one hundred eighty-eight million, two hundred sixty-five thousand, one hundred forty".