137230043 has 4 divisors (see below), whose sum is σ = 138151200. Its totient is φ = 136308888.

The previous prime is 137230021. The next prime is 137230063. The reversal of 137230043 is 340032731.

It is a happy number.

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 137230043 - 2¹⁰ = 137229019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137230063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460355 + ... + 460652.

It is an arithmetic number, because the mean of its divisors is an integer number (34537800).

Almost surely, 2^137230043 is an apocalyptic number.

137230043 is a deficient number, since it is larger than the sum of its proper divisors (921157).

137230043 is an equidigital number, since it uses as much as digits as its factorization.

137230043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921156.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 137230043 is about 11714.5227388912. The cubic root of 137230043 is about 515.8020531024.

Adding to 137230043 its reverse (340032731), we get a palindrome (477262774).

The spelling of 137230043 in words is "one hundred thirty-seven million, two hundred thirty thousand, forty-three".