127738140 has 96 divisors (see below), whose sum is σ = 381024000. Its totient is φ = 31882752.

The previous prime is 127738139. The next prime is 127738157. The reversal of 127738140 is 41837721.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 100831 + ... + 102089.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 2^127738140 is an apocalyptic number.

127738140 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 127738140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190512000).

127738140 is an abundant number, since it is smaller than the sum of its proper divisors (253285860).

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

127738140 is a wasteful number, since it uses less digits than its factorization.

127738140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 127738140 is about 11302.1298877689. The cubic root of 127738140 is about 503.6245156188.

The spelling of 127738140 in words is "one hundred twenty-seven million, seven hundred thirty-eight thousand, one hundred forty".