128148357 has 8 divisors (see below), whose sum is σ = 172432480. Its totient is φ = 84648240.

The previous prime is 128148337. The next prime is 128148359. The reversal of 128148357 is 753841821.

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

It is not a de Polignac number, because 128148357 - 2¹¹ = 128146309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128148359) 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, 195619 + ... + 196272.

It is an arithmetic number, because the mean of its divisors is an integer number (21554060).

Almost surely, 2^128148357 is an apocalyptic number.

It is an amenable number.

128148357 is a deficient number, since it is larger than the sum of its proper divisors (44284123).

128148357 is a wasteful number, since it uses less digits than its factorization.

128148357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392003.

The product of its digits is 53760, while the sum is 39.

The square root of 128148357 is about 11320.2631153167. The cubic root of 128148357 is about 504.1630511439.

The spelling of 128148357 in words is "one hundred twenty-eight million, one hundred forty-eight thousand, three hundred fifty-seven".