149361128 has 64 divisors (see below), whose sum is σ = 338928000. Its totient is φ = 60279552.

The previous prime is 149361101. The next prime is 149361161. The reversal of 149361128 is 821163941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243350 + ... + 243962.

It is an arithmetic number, because the mean of its divisors is an integer number (5295750).

Almost surely, 2^149361128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149361128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169464000).

149361128 is an abundant number, since it is smaller than the sum of its proper divisors (189566872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149361128 is a wasteful number, since it uses less digits than its factorization.

149361128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 870 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 149361128 is about 12221.3390428381. The cubic root of 149361128 is about 530.5738746564.

The spelling of 149361128 in words is "one hundred forty-nine million, three hundred sixty-one thousand, one hundred twenty-eight".