136670894516 has 12 divisors (see below), whose sum is σ = 257572070532. Its totient is φ = 63078874368.

The previous prime is 136670894471. The next prime is 136670894539. The reversal of 136670894516 is 615498076631.

It can be written as a sum of positive squares in 2 ways, for example, as 37322376100 + 99348518416 = 193190^2 + 315196^2 .

It is a congruent number.

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, 1314143165 + ... + 1314143268.

It is an arithmetic number, because the mean of its divisors is an integer number (21464339211).

Almost surely, 2^136670894516 is an apocalyptic number.

It is an amenable number.

136670894516 is a deficient number, since it is larger than the sum of its proper divisors (120901176016).

136670894516 is a wasteful number, since it uses less digits than its factorization.

136670894516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628286450 (or 2628286448 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 136670894516 in words is "one hundred thirty-six billion, six hundred seventy million, eight hundred ninety-four thousand, five hundred sixteen".