135694039 has 8 divisors (see below), whose sum is σ = 147284480. Its totient is φ = 124268256.

The previous prime is 135694021. The next prime is 135694049. The reversal of 135694039 is 930496531.

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

It is a cyclic number.

It is not a de Polignac number, because 135694039 - 2⁹ = 135693527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135693992 and 135694010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135694019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39444 + ... + 42745.

It is an arithmetic number, because the mean of its divisors is an integer number (18410560).

Almost surely, 2^135694039 is an apocalyptic number.

135694039 is a deficient number, since it is larger than the sum of its proper divisors (11590441).

135694039 is a wasteful number, since it uses less digits than its factorization.

135694039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82329.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 135694039 is about 11648.7784338101. The cubic root of 135694039 is about 513.8703854925.

The spelling of 135694039 in words is "one hundred thirty-five million, six hundred ninety-four thousand, thirty-nine".