870135811137 has 6 divisors (see below), whose sum is σ = 1256862838322. Its totient is φ = 580090540752.

The previous prime is 870135811117. The next prime is 870135811213. The reversal of 870135811137 is 731118531078.

It can be written as a sum of positive squares in only one way, i.e., 749671978896 + 120463832241 = 865836^2 + 347079^2 .

It is not a de Polignac number, because 870135811137 - 2⁸ = 870135810881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 870135811092 and 870135811101.

It is not an unprimeable number, because it can be changed into a prime (870135811117) 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, 48340878388 + ... + 48340878405.

Almost surely, 2^870135811137 is an apocalyptic number.

It is an amenable number.

870135811137 is a deficient number, since it is larger than the sum of its proper divisors (386727027185).

870135811137 is a wasteful number, since it uses less digits than its factorization.

870135811137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96681756799 (or 96681756796 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 870135811137 in words is "eight hundred seventy billion, one hundred thirty-five million, eight hundred eleven thousand, one hundred thirty-seven".