148939128 has 256 divisors, whose sum is σ = 483840000. Its totient is φ = 42094080.

The previous prime is 148939127. The next prime is 148939163. The reversal of 148939128 is 821939841.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148939121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2524363 + ... + 2524421.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^148939128 is an apocalyptic number.

148939128 is a gapful number since it is divisible by the number (18) 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 148939128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920000).

148939128 is an abundant number, since it is smaller than the sum of its proper divisors (334900872).

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

148939128 is a wasteful number, since it uses less digits than its factorization.

148939128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 137 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 148939128 is about 12204.0619467454. The cubic root of 148939128 is about 530.0737146787.

The spelling of 148939128 in words is "one hundred forty-eight million, nine hundred thirty-nine thousand, one hundred twenty-eight".