149000186 has 16 divisors (see below), whose sum is σ = 228922848. Its totient is φ = 72711600.

The previous prime is 149000177. The next prime is 149000197. The reversal of 149000186 is 681000941.

It is a super-4 number, since 4×149000186⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11321 + ... + 20643.

It is an arithmetic number, because the mean of its divisors is an integer number (14307678).

Almost surely, 2^149000186 is an apocalyptic number.

149000186 is a deficient number, since it is larger than the sum of its proper divisors (79922662).

149000186 is a wasteful number, since it uses less digits than its factorization.

149000186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517.

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

The square root of 149000186 is about 12206.5632345882. The cubic root of 149000186 is about 530.1461398356.

The spelling of 149000186 in words is "one hundred forty-nine million, one hundred eighty-six", and thus it is an aban number.