135240145044371 has 12 divisors (see below), whose sum is σ = 141491971936392. Its totient is φ = 129253843842816.

The previous prime is 135240145044317. The next prime is 135240145044377. The reversal of 135240145044371 is 173440541042531.

It is a happy number.

It is not a de Polignac number, because 135240145044371 - 2²⁶ = 135240077935507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135240145044377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104390081 + ... + 105677666.

It is an arithmetic number, because the mean of its divisors is an integer number (11790997661366).

Almost surely, 2^{135240145044371} is an apocalyptic number.

135240145044371 is a deficient number, since it is larger than the sum of its proper divisors (6251826892021).

135240145044371 is a wasteful number, since it uses less digits than its factorization.

135240145044371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210069010 (or 210068987 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 135240145044371 in words is "one hundred thirty-five trillion, two hundred forty billion, one hundred forty-five million, forty-four thousand, three hundred seventy-one".