207140188 has 12 divisors (see below), whose sum is σ = 363444480. Its totient is φ = 103298912.

The previous prime is 207140183. The next prime is 207140191. The reversal of 207140188 is 881041702.

207140188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207140183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66073 + ... + 69136.

It is an arithmetic number, because the mean of its divisors is an integer number (30287040).

Almost surely, 2^207140188 is an apocalyptic number.

It is an amenable number.

207140188 is a deficient number, since it is larger than the sum of its proper divisors (156304292).

207140188 is a wasteful number, since it uses less digits than its factorization.

207140188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135596 (or 135594 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 207140188 is about 14392.3656151447. The cubic root of 207140188 is about 591.6816792153.

The spelling of 207140188 in words is "two hundred seven million, one hundred forty thousand, one hundred eighty-eight".