137042 has 4 divisors (see below), whose sum is σ = 205566. Its totient is φ = 68520.

The previous prime is 137029. The next prime is 137077. The reversal of 137042 is 240731.

It is a happy number.

137042 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240731 = 67 ⋅3593.

It can be written as a sum of positive squares in only one way, i.e., 78961 + 58081 = 281^2 + 241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137042.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 137042.

It is an unprimeable number.

137042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34259 + ... + 34262.

2¹³⁷⁰⁴² is an apocalyptic number.

137042 is a deficient number, since it is larger than the sum of its proper divisors (68524).

137042 is an equidigital number, since it uses as much as digits as its factorization.

137042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68523.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 137042 is about 370.1918421575. The cubic root of 137042 is about 51.5566348395.

Adding to 137042 its reverse (240731), we get a palindrome (377773).

The spelling of 137042 in words is "one hundred thirty-seven thousand, forty-two".