137686782 has 32 divisors (see below), whose sum is σ = 282240000. Its totient is φ = 44758368.

The previous prime is 137686777. The next prime is 137686789. The reversal of 137686782 is 287686731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137686789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 97719 + ... + 99117.

It is an arithmetic number, because the mean of its divisors is an integer number (8820000).

Almost surely, 2^137686782 is an apocalyptic number.

137686782 is an abundant number, since it is smaller than the sum of its proper divisors (144553218).

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

137686782 is a wasteful number, since it uses less digits than its factorization.

137686782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its digits is 677376, while the sum is 48.

The square root of 137686782 is about 11734.0011078915. The cubic root of 137686782 is about 516.3736627033.

The spelling of 137686782 in words is "one hundred thirty-seven million, six hundred eighty-six thousand, seven hundred eighty-two".