188140413 has 16 divisors (see below), whose sum is σ = 265817600. Its totient is φ = 118033200.

The previous prime is 188140397. The next prime is 188140423. The reversal of 188140413 is 314041881.

It is not a de Polignac number, because 188140413 - 2⁴ = 188140397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188140423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323 + ... + 19536.

It is an arithmetic number, because the mean of its divisors is an integer number (16613600).

Almost surely, 2^188140413 is an apocalyptic number.

It is an amenable number.

188140413 is a deficient number, since it is larger than the sum of its proper divisors (77677187).

188140413 is a wasteful number, since it uses less digits than its factorization.

188140413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22032.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 188140413 is about 13716.4285803557. The cubic root of 188140413 is about 573.0080162373.

The spelling of 188140413 in words is "one hundred eighty-eight million, one hundred forty thousand, four hundred thirteen".