Search a number
-
+
137885 = 51123109
BaseRepresentation
bin100001101010011101
321000010212
4201222131
513403020
62542205
71112666
oct415235
9230125
10137885
1194660
1267965
134a9b7
143836d
152acc5
hex21a9d

137885 has 16 divisors (see below), whose sum is σ = 190080. Its totient is φ = 95040.

The previous prime is 137873. The next prime is 137909. The reversal of 137885 is 588731.

137885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137885 - 24 = 137869 is a prime.

It is an Ulam number.

It is a plaindrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (11880).

2137885 is an apocalyptic number.

It is an amenable number.

137885 is a deficient number, since it is larger than the sum of its proper divisors (52195).

137885 is a wasteful number, since it uses less digits than its factorization.

137885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its digits is 6720, while the sum is 32.

The square root of 137885 is about 371.3286953630. The cubic root of 137885 is about 51.6621339531.

The spelling of 137885 in words is "one hundred thirty-seven thousand, eight hundred eighty-five".

Divisors: 1 5 11 23 55 109 115 253 545 1199 1265 2507 5995 12535 27577 137885