137805867 has 10 divisors (see below), whose sum is σ = 205858268. Its totient is φ = 91870524.

The previous prime is 137805839. The next prime is 137805907. The reversal of 137805867 is 768508731.

It is not a de Polignac number, because 137805867 - 2⁸ = 137805611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137805827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 850573 + ... + 850734.

Almost surely, 2^137805867 is an apocalyptic number.

137805867 is a deficient number, since it is larger than the sum of its proper divisors (68052401).

137805867 is an equidigital number, since it uses as much as digits as its factorization.

137805867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701319 (or 1701310 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 137805867 is about 11739.0743672574. The cubic root of 137805867 is about 516.5224899594.

The spelling of 137805867 in words is "one hundred thirty-seven million, eight hundred five thousand, eight hundred sixty-seven".