137108143 has 4 divisors (see below), whose sum is σ = 141836040. Its totient is φ = 132380248.

The previous prime is 137108131. The next prime is 137108159. The reversal of 137108143 is 341801731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341801731 = 271 ⋅1261261.

It is a cyclic number.

It is not a de Polignac number, because 137108143 - 2²⁵ = 103553711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137108173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2363905 + ... + 2363962.

It is an arithmetic number, because the mean of its divisors is an integer number (35459010).

Almost surely, 2^137108143 is an apocalyptic number.

137108143 is a deficient number, since it is larger than the sum of its proper divisors (4727897).

137108143 is an equidigital number, since it uses as much as digits as its factorization.

137108143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727896.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 137108143 is about 11709.3186394427. The cubic root of 137108143 is about 515.6492806834.

Adding to 137108143 its reverse (341801731), we get a palindrome (478909874).

The spelling of 137108143 in words is "one hundred thirty-seven million, one hundred eight thousand, one hundred forty-three".