135378295271 has 4 divisors (see below), whose sum is σ = 135379450752. Its totient is φ = 135377139792.

The previous prime is 135378295237. The next prime is 135378295321. The reversal of 135378295271 is 172592873531.

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

It is a cyclic number.

It is not a de Polignac number, because 135378295271 - 2⁶ = 135378295207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135378295201) 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, 379271 + ... + 643896.

It is an arithmetic number, because the mean of its divisors is an integer number (33844862688).

Almost surely, 2^135378295271 is an apocalyptic number.

135378295271 is a deficient number, since it is larger than the sum of its proper divisors (1155481).

135378295271 is a wasteful number, since it uses less digits than its factorization.

135378295271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155480.

The product of its digits is 3175200, while the sum is 53.

The spelling of 135378295271 in words is "one hundred thirty-five billion, three hundred seventy-eight million, two hundred ninety-five thousand, two hundred seventy-one".