149186 has 8 divisors (see below), whose sum is σ = 226380. Its totient is φ = 73728.

The previous prime is 149183. The next prime is 149197. The reversal of 149186 is 681941.

It can be written as a sum of positive squares in 2 ways, for example, as 148225 + 961 = 385^2 + 31^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191 + ... + 578.

2¹⁴⁹¹⁸⁶ is an apocalyptic number.

149186 is a deficient number, since it is larger than the sum of its proper divisors (77194).

149186 is an equidigital number, since it uses as much as digits as its factorization.

149186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its digits is 1728, while the sum is 29.

The square root of 149186 is about 386.2460355784. The cubic root of 149186 is about 53.0366425140.

The spelling of 149186 in words is "one hundred forty-nine thousand, one hundred eighty-six".