149108187 has 8 divisors (see below), whose sum is σ = 204184336. Its totient is φ = 96718752.

The previous prime is 149108177. The next prime is 149108209. The reversal of 149108187 is 781801941.

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

It is not a de Polignac number, because 149108187 - 2⁶ = 149108123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149108107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671548 + ... + 671769.

It is an arithmetic number, because the mean of its divisors is an integer number (25523042).

Almost surely, 2^149108187 is an apocalyptic number.

149108187 is a deficient number, since it is larger than the sum of its proper divisors (55076149).

149108187 is a wasteful number, since it uses less digits than its factorization.

149108187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343357.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 149108187 is about 12210.9863237987. The cubic root of 149108187 is about 530.2741989263.

The spelling of 149108187 in words is "one hundred forty-nine million, one hundred eight thousand, one hundred eighty-seven".