127133316 has 18 divisors (see below), whose sum is σ = 321364862. Its totient is φ = 42377760.

The previous prime is 127133311. The next prime is 127133323. The reversal of 127133316 is 613331721.

It can be written as a sum of positive squares in only one way, i.e., 81974916 + 45158400 = 9054^2 + 6720^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 127133316.

It is not an unprimeable number, because it can be changed into a prime (127133311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1765705 + ... + 1765776.

Almost surely, 2^127133316 is an apocalyptic number.

It is an amenable number.

127133316 is an abundant number, since it is smaller than the sum of its proper divisors (194231546).

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

127133316 is a wasteful number, since it uses less digits than its factorization.

127133316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531491 (or 3531486 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 127133316 is about 11275.3410591432. The cubic root of 127133316 is about 502.8283915669.

It can be divided in two parts, 127133 and 316, that added together give a square (127449 = 357²).

The spelling of 127133316 in words is "one hundred twenty-seven million, one hundred thirty-three thousand, three hundred sixteen".