149868120 has 128 divisors (see below), whose sum is σ = 467389440. Its totient is φ = 38415360.

The previous prime is 149868119. The next prime is 149868137. The reversal of 149868120 is 21868941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408177 + ... + 408543.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^149868120 is an apocalyptic number.

149868120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149868120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233694720).

149868120 is an abundant number, since it is smaller than the sum of its proper divisors (317521320).

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

149868120 is a wasteful number, since it uses less digits than its factorization.

149868120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 149868120 is about 12242.0635515423. The cubic root of 149868120 is about 531.1735240318.

The spelling of 149868120 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, one hundred twenty".