137035439 has 4 divisors (see below), whose sum is σ = 138248256. Its totient is φ = 135822624.

The previous prime is 137035421. The next prime is 137035441. The reversal of 137035439 is 934530731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137035439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137035399 and 137035408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137035139) 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, 606239 + ... + 606464.

It is an arithmetic number, because the mean of its divisors is an integer number (34562064).

Almost surely, 2^137035439 is an apocalyptic number.

137035439 is a deficient number, since it is larger than the sum of its proper divisors (1212817).

137035439 is a wasteful number, since it uses less digits than its factorization.

137035439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212816.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 137035439 is about 11706.2136918818. The cubic root of 137035439 is about 515.5581205403.

The spelling of 137035439 in words is "one hundred thirty-seven million, thirty-five thousand, four hundred thirty-nine".