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139137 = 3192441
BaseRepresentation
bin100001111110000001
321001212020
4201332001
513423022
62552053
71116435
oct417601
9231766
10139137
1195599
1268629
134b43b
14389c5
152b35c
hex21f81

139137 has 8 divisors (see below), whose sum is σ = 195360. Its totient is φ = 87840.

The previous prime is 139133. The next prime is 139169. The reversal of 139137 is 731931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139137 - 22 = 139133 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139137.

It is not an unprimeable number, because it can be changed into a prime (139133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (24420).

2139137 is an apocalyptic number.

It is an amenable number.

139137 is a deficient number, since it is larger than the sum of its proper divisors (56223).

139137 is a wasteful number, since it uses less digits than its factorization.

139137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its digits is 567, while the sum is 24.

The square root of 139137 is about 373.0107237064. The cubic root of 139137 is about 51.8180276444.

It can be divided in two parts, 139 and 137, that added together give a triangular number (276 = T23).

The spelling of 139137 in words is "one hundred thirty-nine thousand, one hundred thirty-seven".

Divisors: 1 3 19 57 2441 7323 46379 139137