127937394 has 60 divisors (see below), whose sum is σ = 310489146. Its totient is φ = 39356928.

The previous prime is 127937353. The next prime is 127937399. The reversal of 127937394 is 493739721.

127937394 is a `hidden beast` number, since 1 + 279 + 373 + 9 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 99261369 + 28676025 = 9963^2 + 5355^2 .

It is a super-2 number, since 2×127937394² = 32735953567022472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127937399) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 25042 + ... + 29714.

Almost surely, 2^127937394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127937394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155244573).

127937394 is an abundant number, since it is smaller than the sum of its proper divisors (182551752).

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

127937394 is a wasteful number, since it uses less digits than its factorization.

127937394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713 (or 4691 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 127937394 is about 11310.9413401361. The cubic root of 127937394 is about 503.8862413321.

The spelling of 127937394 in words is "one hundred twenty-seven million, nine hundred thirty-seven thousand, three hundred ninety-four".