1275416137 has 4 divisors (see below), whose sum is σ = 1280890260. Its totient is φ = 1269942016.

The previous prime is 1275416123. The next prime is 1275416209. The reversal of 1275416137 is 7316145721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7316145721 = 17 ⋅430361513.

It can be written as a sum of positive squares in 2 ways, for example, as 371872656 + 903543481 = 19284^2 + 30059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1275416137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1275416096 and 1275416105.

It is not an unprimeable number, because it can be changed into a prime (1275416117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736712 + ... + 2737177.

It is an arithmetic number, because the mean of its divisors is an integer number (320222565).

Almost surely, 2^1275416137 is an apocalyptic number.

It is an amenable number.

1275416137 is a deficient number, since it is larger than the sum of its proper divisors (5474123).

1275416137 is an equidigital number, since it uses as much as digits as its factorization.

1275416137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474122.

The product of its digits is 35280, while the sum is 37.

The square root of 1275416137 is about 35712.9687508614. The cubic root of 1275416137 is about 1084.4694007096.

The spelling of 1275416137 in words is "one billion, two hundred seventy-five million, four hundred sixteen thousand, one hundred thirty-seven".