136827260287 has 16 divisors (see below), whose sum is σ = 141368499360. Its totient is φ = 132353851392.

The previous prime is 136827260261. The next prime is 136827260299. The reversal of 136827260287 is 782062728631.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-136827260287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136827266287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876039 + ... + 1947607.

It is an arithmetic number, because the mean of its divisors is an integer number (8835531210).

Almost surely, 2^136827260287 is an apocalyptic number.

136827260287 is a deficient number, since it is larger than the sum of its proper divisors (4541239073).

136827260287 is a wasteful number, since it uses less digits than its factorization.

136827260287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72042.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 136827260287 in words is "one hundred thirty-six billion, eight hundred twenty-seven million, two hundred sixty thousand, two hundred eighty-seven".