135532039 has 4 divisors (see below), whose sum is σ = 136441800. Its totient is φ = 134622280.

The previous prime is 135532037. The next prime is 135532043. The reversal of 135532039 is 930235531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930235531 = 83 ⋅11207657.

It is a cyclic number.

It is not a de Polignac number, because 135532039 - 2¹ = 135532037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135532039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135532037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454657 + ... + 454954.

It is an arithmetic number, because the mean of its divisors is an integer number (34110450).

Almost surely, 2^135532039 is an apocalyptic number.

135532039 is a deficient number, since it is larger than the sum of its proper divisors (909761).

135532039 is an equidigital number, since it uses as much as digits as its factorization.

135532039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909760.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 135532039 is about 11641.8228383703. The cubic root of 135532039 is about 513.6658072282.

The spelling of 135532039 in words is "one hundred thirty-five million, five hundred thirty-two thousand, thirty-nine".