135073379 has 4 divisors (see below), whose sum is σ = 154369584. Its totient is φ = 115777176.

The previous prime is 135073357. The next prime is 135073397. The reversal of 135073379 is 973370531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973370531 = 7 ⋅139052933.

It is a cyclic number.

It is not a de Polignac number, because 135073379 - 2²⁴ = 118296163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135073339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648092 + ... + 9648105.

It is an arithmetic number, because the mean of its divisors is an integer number (38592396).

Almost surely, 2^135073379 is an apocalyptic number.

135073379 is a deficient number, since it is larger than the sum of its proper divisors (19296205).

135073379 is an equidigital number, since it uses as much as digits as its factorization.

135073379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19296204.

The product of its (nonzero) digits is 59535, while the sum is 38.

The square root of 135073379 is about 11622.1073390328. The cubic root of 135073379 is about 513.0857125939.

The spelling of 135073379 in words is "one hundred thirty-five million, seventy-three thousand, three hundred seventy-nine".