137231134 has 4 divisors (see below), whose sum is σ = 205846704. Its totient is φ = 68615566.

The previous prime is 137231111. The next prime is 137231177. The reversal of 137231134 is 431132731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431132731 = 1303 ⋅330877.

It is a junction number, because it is equal to n+sod(n) for n = 137231099 and 137231108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34307782 + ... + 34307785.

It is an arithmetic number, because the mean of its divisors is an integer number (51461676).

Almost surely, 2^137231134 is an apocalyptic number.

137231134 is a deficient number, since it is larger than the sum of its proper divisors (68615570).

137231134 is an equidigital number, since it uses as much as digits as its factorization.

137231134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68615569.

The product of its digits is 1512, while the sum is 25.

The square root of 137231134 is about 11714.5693049297. The cubic root of 137231134 is about 515.8034200007.

Adding to 137231134 its reverse (431132731), we get a palindrome (568363865).

The spelling of 137231134 in words is "one hundred thirty-seven million, two hundred thirty-one thousand, one hundred thirty-four".