137372439 has 16 divisors (see below), whose sum is σ = 190920704. Its totient is φ = 87760800.

The previous prime is 137372437. The next prime is 137372447. The reversal of 137372439 is 934273731.

It is not a de Polignac number, because 137372439 - 2¹ = 137372437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137372397 and 137372406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137372437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2409 + ... + 16749.

It is an arithmetic number, because the mean of its divisors is an integer number (11932544).

Almost surely, 2^137372439 is an apocalyptic number.

137372439 is a deficient number, since it is larger than the sum of its proper divisors (53548265).

137372439 is a wasteful number, since it uses less digits than its factorization.

137372439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14478.

The product of its digits is 95256, while the sum is 39.

The square root of 137372439 is about 11720.5989181441. The cubic root of 137372439 is about 515.9803978191.

The spelling of 137372439 in words is "one hundred thirty-seven million, three hundred seventy-two thousand, four hundred thirty-nine".