137612234 has 4 divisors (see below), whose sum is σ = 206418354. Its totient is φ = 68806116.

The previous prime is 137612207. The next prime is 137612273. The reversal of 137612234 is 432216731.

It is a happy number.

137612234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432216731 = 19 ⋅22748249.

It can be written as a sum of positive squares in only one way, i.e., 74011609 + 63600625 = 8603^2 + 7975^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137612197 and 137612206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34403057 + ... + 34403060.

Almost surely, 2^137612234 is an apocalyptic number.

137612234 is a deficient number, since it is larger than the sum of its proper divisors (68806120).

137612234 is an equidigital number, since it uses as much as digits as its factorization.

137612234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68806119.

The product of its digits is 6048, while the sum is 29.

The square root of 137612234 is about 11730.8240972235. The cubic root of 137612234 is about 516.2804521744.

Adding to 137612234 its reverse (432216731), we get a palindrome (569828965).

The spelling of 137612234 in words is "one hundred thirty-seven million, six hundred twelve thousand, two hundred thirty-four".