137800235 has 4 divisors (see below), whose sum is σ = 165360288. Its totient is φ = 110240184.

The previous prime is 137800219. The next prime is 137800319. The reversal of 137800235 is 532008731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137800235 - 2⁴ = 137800219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137800198 and 137800207.

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, 13780019 + ... + 13780028.

It is an arithmetic number, because the mean of its divisors is an integer number (41340072).

Almost surely, 2^137800235 is an apocalyptic number.

137800235 is a deficient number, since it is larger than the sum of its proper divisors (27560053).

137800235 is an equidigital number, since it uses as much as digits as its factorization.

137800235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27560052.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 137800235 is about 11738.8344821792. The cubic root of 137800235 is about 516.5154532627.

Adding to 137800235 its reverse (532008731), we get a palindrome (669808966).

The spelling of 137800235 in words is "one hundred thirty-seven million, eight hundred thousand, two hundred thirty-five".