186992134 has 12 divisors (see below), whose sum is σ = 326282364. Its totient is φ = 80139444.

The previous prime is 186992123. The next prime is 186992137. The reversal of 186992134 is 431299681.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186992137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 953944 + ... + 954139.

It is an arithmetic number, because the mean of its divisors is an integer number (27190197).

Almost surely, 2^186992134 is an apocalyptic number.

186992134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

186992134 is a deficient number, since it is larger than the sum of its proper divisors (139290230).

186992134 is a wasteful number, since it uses less digits than its factorization.

186992134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908099 (or 1908092 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 186992134 is about 13674.5067187084. The cubic root of 186992134 is about 571.8398882720.

The spelling of 186992134 in words is "one hundred eighty-six million, nine hundred ninety-two thousand, one hundred thirty-four".