137052439 has 4 divisors (see below), whose sum is σ = 138787360. Its totient is φ = 135317520.

The previous prime is 137052437. The next prime is 137052449. The reversal of 137052439 is 934250731.

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

It is not a de Polignac number, because 137052439 - 2¹ = 137052437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137052437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867342 + ... + 867499.

It is an arithmetic number, because the mean of its divisors is an integer number (34696840).

Almost surely, 2^137052439 is an apocalyptic number.

137052439 is a deficient number, since it is larger than the sum of its proper divisors (1734921).

137052439 is an equidigital number, since it uses as much as digits as its factorization.

137052439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734920.

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

The square root of 137052439 is about 11706.9397794641. The cubic root of 137052439 is about 515.5794389324.

The spelling of 137052439 in words is "one hundred thirty-seven million, fifty-two thousand, four hundred thirty-nine".