137800238 has 8 divisors (see below), whose sum is σ = 206750232. Its totient is φ = 68883496.

The previous prime is 137800219. The next prime is 137800319. The reversal of 137800238 is 832008731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11381 + ... + 20127.

It is an arithmetic number, because the mean of its divisors is an integer number (25843779).

Almost surely, 2^137800238 is an apocalyptic number.

137800238 is a deficient number, since it is larger than the sum of its proper divisors (68949994).

137800238 is an equidigital number, since it uses as much as digits as its factorization.

137800238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16626.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 137800238 is about 11738.8346099602. The cubic root of 137800238 is about 516.5154570110.

Adding to 137800238 its reverse (832008731), we get a palindrome (969808969).

The spelling of 137800238 in words is "one hundred thirty-seven million, eight hundred thousand, two hundred thirty-eight".