1275736113 has 6 divisors (see below), whose sum is σ = 1842729954. Its totient is φ = 850490736.

The previous prime is 1275736093. The next prime is 1275736139. The reversal of 1275736113 is 3116375721.

1275736113 is a `hidden beast` number, since 1 + 27 + 573 + 61 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1093161969 + 182574144 = 33063^2 + 13512^2 .

It is not a de Polignac number, because 1275736113 - 2¹⁶ = 1275670577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1275736183) 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, 70874220 + ... + 70874237.

It is an arithmetic number, because the mean of its divisors is an integer number (307121659).

Almost surely, 2^1275736113 is an apocalyptic number.

It is an amenable number.

1275736113 is a deficient number, since it is larger than the sum of its proper divisors (566993841).

1275736113 is a wasteful number, since it uses less digits than its factorization.

1275736113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141748463 (or 141748460 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 1275736113 is about 35717.4482991157. The cubic root of 1275736113 is about 1084.5600835741.

The spelling of 1275736113 in words is "one billion, two hundred seventy-five million, seven hundred thirty-six thousand, one hundred thirteen".