137139 has 8 divisors (see below), whose sum is σ = 193680. Its totient is φ = 86016.

The previous prime is 137131. The next prime is 137143. The reversal of 137139 is 931731.

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

It is not a de Polignac number, because 137139 - 2³ = 137131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137131) 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, 1294 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (24210).

2¹³⁷¹³⁹ is an apocalyptic number.

137139 is a deficient number, since it is larger than the sum of its proper divisors (56541).

137139 is a wasteful number, since it uses less digits than its factorization.

137139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709.

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

The square root of 137139 is about 370.3228321343. The cubic root of 137139 is about 51.5687961090.

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

The spelling of 137139 in words is "one hundred thirty-seven thousand, one hundred thirty-nine".