271456138 has 4 divisors (see below), whose sum is σ = 407184210. Its totient is φ = 135728068.

The previous prime is 271456127. The next prime is 271456139. The reversal of 271456138 is 831654172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 261889489 + 9566649 = 16183^2 + 3093^2 .

It is a junction number, because it is equal to n+sod(n) for n = 271456097 and 271456106.

It is not an unprimeable number, because it can be changed into a prime (271456139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67864033 + ... + 67864036.

Almost surely, 2^271456138 is an apocalyptic number.

271456138 is a deficient number, since it is larger than the sum of its proper divisors (135728072).

271456138 is a wasteful number, since it uses less digits than its factorization.

271456138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135728071.

The product of its digits is 40320, while the sum is 37.

The square root of 271456138 is about 16475.9260134294. The cubic root of 271456138 is about 647.4902334509.

The spelling of 271456138 in words is "two hundred seventy-one million, four hundred fifty-six thousand, one hundred thirty-eight".