137306234 has 16 divisors (see below), whose sum is σ = 223221768. Its totient is φ = 62966592.

The previous prime is 137306173. The next prime is 137306237. The reversal of 137306234 is 432603731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46199209 + 91107025 = 6797^2 + 9545^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137306197 and 137306206.

It is not an unprimeable number, because it can be changed into a prime (137306237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12737 + ... + 20900.

Almost surely, 2^137306234 is an apocalyptic number.

137306234 is a deficient number, since it is larger than the sum of its proper divisors (85915534).

137306234 is a wasteful number, since it uses less digits than its factorization.

137306234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33809.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 137306234 is about 11717.7742767131. The cubic root of 137306234 is about 515.8974943107.

Adding to 137306234 its reverse (432603731), we get a palindrome (569909965).

The spelling of 137306234 in words is "one hundred thirty-seven million, three hundred six thousand, two hundred thirty-four".