1687069040136 has 32 divisors (see below), whose sum is σ = 4401049671360. Its totient is φ = 537906070592.

The previous prime is 1687069040093. The next prime is 1687069040161. The reversal of 1687069040136 is 6310409607861.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528141695 + ... + 1528142798.

It is an arithmetic number, because the mean of its divisors is an integer number (137532802230).

Almost surely, 2^{1687069040136} is an apocalyptic number.

It is an amenable number.

1687069040136 is an abundant number, since it is smaller than the sum of its proper divisors (2713980631224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1687069040136 is a wasteful number, since it uses less digits than its factorization.

1687069040136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056284525 (or 3056284521 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 1687069040136 in words is "one trillion, six hundred eighty-seven billion, sixty-nine million, forty thousand, one hundred thirty-six".