137612238 has 16 divisors (see below), whose sum is σ = 279333120. Its totient is φ = 45185976.

The previous prime is 137612207. The next prime is 137612273. The reversal of 137612238 is 832216731.

It is a junction number, because it is equal to n+sod(n) for n = 137612199 and 137612208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170758 + ... + 171561.

It is an arithmetic number, because the mean of its divisors is an integer number (17458320).

Almost surely, 2^137612238 is an apocalyptic number.

137612238 is an abundant number, since it is smaller than the sum of its proper divisors (141720882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137612238 is a wasteful number, since it uses less digits than its factorization.

137612238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342391.

The product of its digits is 12096, while the sum is 33.

The square root of 137612238 is about 11730.8242677145. The cubic root of 137612238 is about 516.2804571767.

Adding to 137612238 its reverse (832216731), we get a palindrome (969828969).

The spelling of 137612238 in words is "one hundred thirty-seven million, six hundred twelve thousand, two hundred thirty-eight".