8500149 has 12 divisors (see below), whose sum is σ = 14032096. Its totient is φ = 4857192.

The previous prime is 8500139. The next prime is 8500157. The reversal of 8500149 is 9410058.

8500149 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8500149 - 2⁵ = 8500117 is a prime.

It is a Duffinian number.

It is a Curzon number.

8500149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67399 + ... + 67524.

Almost surely, 2^8500149 is an apocalyptic number.

It is an amenable number.

8500149 is a deficient number, since it is larger than the sum of its proper divisors (5531947).

8500149 is a wasteful number, since it uses less digits than its factorization.

8500149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134936 (or 134933 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8500149 is about 2915.5015005999. The cubic root of 8500149 is about 204.0839475724.

Subtracting 8500149 from its reverse (9410058), we obtain a palindrome (909909).

It can be divided in two parts, 8500 and 149, that added together give a square (8649 = 93²).

The spelling of 8500149 in words is "eight million, five hundred thousand, one hundred forty-nine".