8270770138 has 8 divisors (see below), whose sum is σ = 12406541940. Its totient is φ = 4135256160.

The previous prime is 8270770073. The next prime is 8270770153. The reversal of 8270770138 is 8310770728.

It can be written as a sum of positive squares in 2 ways, for example, as 8263355409 + 7414729 = 90903^2 + 2723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8270770094 and 8270770103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85768 + ... + 154588.

Almost surely, 2^8270770138 is an apocalyptic number.

8270770138 is a deficient number, since it is larger than the sum of its proper divisors (4135771802).

8270770138 is a wasteful number, since it uses less digits than its factorization.

8270770138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128912.

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 8270770138 is about 90943.7745972752. The cubic root of 8270770138 is about 2022.3142885224.

The spelling of 8270770138 in words is "eight billion, two hundred seventy million, seven hundred seventy thousand, one hundred thirty-eight".