188114139 has 24 divisors (see below), whose sum is σ = 275652000. Its totient is φ = 123609600.

The previous prime is 188114131. The next prime is 188114149. The reversal of 188114139 is 931411881.

It is not a de Polignac number, because 188114139 - 2³ = 188114131 is a prime.

It is a super-2 number, since 2×188114139² = 70773858583422642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188114131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202027 + ... + 202955.

It is an arithmetic number, because the mean of its divisors is an integer number (11485500).

Almost surely, 2^188114139 is an apocalyptic number.

188114139 is a deficient number, since it is larger than the sum of its proper divisors (87537861).

188114139 is a wasteful number, since it uses less digits than its factorization.

188114139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1232 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 188114139 is about 13715.4707903156. The cubic root of 188114139 is about 572.9813412781.

The spelling of 188114139 in words is "one hundred eighty-eight million, one hundred fourteen thousand, one hundred thirty-nine".