137985159 has 16 divisors (see below), whose sum is σ = 199453184. Its totient is φ = 84348000.

The previous prime is 137985149. The next prime is 137985179. The reversal of 137985159 is 951589731.

137985159 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 137985159 - 2⁷ = 137985031 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 (137985109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5827 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (12465824).

Almost surely, 2^137985159 is an apocalyptic number.

137985159 is a deficient number, since it is larger than the sum of its proper divisors (61468025).

137985159 is a wasteful number, since it uses less digits than its factorization.

137985159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23598.

The product of its digits is 340200, while the sum is 48.

The square root of 137985159 is about 11746.7084325780. The cubic root of 137985159 is about 516.7463996731.

The spelling of 137985159 in words is "one hundred thirty-seven million, nine hundred eighty-five thousand, one hundred fifty-nine".