137023459 has 4 divisors (see below), whose sum is σ = 144235240. Its totient is φ = 129811680.

The previous prime is 137023433. The next prime is 137023483. The reversal of 137023459 is 954320731.

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 137023459 - 2⁷ = 137023331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137023759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3605862 + ... + 3605899.

It is an arithmetic number, because the mean of its divisors is an integer number (36058810).

Almost surely, 2^137023459 is an apocalyptic number.

137023459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

137023459 is a deficient number, since it is larger than the sum of its proper divisors (7211781).

137023459 is an equidigital number, since it uses as much as digits as its factorization.

137023459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211780.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 137023459 is about 11705.7019866388. The cubic root of 137023459 is about 515.5430962850.

It can be divided in two parts, 13702 and 3459, that added together give a square (17161 = 131²).

The spelling of 137023459 in words is "one hundred thirty-seven million, twenty-three thousand, four hundred fifty-nine".