128937130 has 32 divisors (see below), whose sum is σ = 270662400. Its totient is φ = 44205840.

The previous prime is 128937113. The next prime is 128937167. The reversal of 128937130 is 31739821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15366 + ... + 22225.

It is an arithmetic number, because the mean of its divisors is an integer number (8458200).

Almost surely, 2^128937130 is an apocalyptic number.

128937130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128937130 is an abundant number, since it is smaller than the sum of its proper divisors (141725270).

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

128937130 is an equidigital number, since it uses as much as digits as its factorization.

128937130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37619 (or 37605 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 128937130 is about 11355.0486568751. The cubic root of 128937130 is about 505.1953366475.

The spelling of 128937130 in words is "one hundred twenty-eight million, nine hundred thirty-seven thousand, one hundred thirty".