127733138 has 16 divisors (see below), whose sum is σ = 218476440. Its totient is φ = 55485696.

The previous prime is 127733119. The next prime is 127733141. The reversal of 127733138 is 831337721.

It can be written as a sum of positive squares in 4 ways, for example, as 123721129 + 4012009 = 11123^2 + 2003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127733098 and 127733107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144053 + ... + 144936.

Almost surely, 2^127733138 is an apocalyptic number.

127733138 is a deficient number, since it is larger than the sum of its proper divisors (90743302).

127733138 is a wasteful number, since it uses less digits than its factorization.

127733138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289021.

The product of its digits is 21168, while the sum is 35.

The square root of 127733138 is about 11301.9085998782. The cubic root of 127733138 is about 503.6179418508.

The spelling of 127733138 in words is "one hundred twenty-seven million, seven hundred thirty-three thousand, one hundred thirty-eight".