137706885 has 96 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 67350528.

The previous prime is 137706869. The next prime is 137706893. The reversal of 137706885 is 588607731.

It is not a de Polignac number, because 137706885 - 2⁴ = 137706869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137706885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1218589 + ... + 1218701.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^137706885 is an apocalyptic number.

137706885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137706885 is a deficient number, since it is larger than the sum of its proper divisors (131187195).

137706885 is a wasteful number, since it uses less digits than its factorization.

137706885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 197 counting only the distinct ones).

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

The square root of 137706885 is about 11734.8576898060. The cubic root of 137706885 is about 516.3987925776.

The spelling of 137706885 in words is "one hundred thirty-seven million, seven hundred six thousand, eight hundred eighty-five".