137086439 has 8 divisors (see below), whose sum is σ = 156802080. Its totient is φ = 117403776.

The previous prime is 137086421. The next prime is 137086457. The reversal of 137086439 is 934680731.

It is an interprime number because it is at equal distance from previous prime (137086421) and next prime (137086457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137086439 - 2¹⁶ = 137020903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137086396 and 137086405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137086039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427 + ... + 16619.

It is an arithmetic number, because the mean of its divisors is an integer number (19600260).

Almost surely, 2^137086439 is an apocalyptic number.

137086439 is a deficient number, since it is larger than the sum of its proper divisors (19715641).

137086439 is a wasteful number, since it uses less digits than its factorization.

137086439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16489.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 137086439 is about 11708.3918195455. The cubic root of 137086439 is about 515.6220704284.

The spelling of 137086439 in words is "one hundred thirty-seven million, eighty-six thousand, four hundred thirty-nine".