135775212078 has 32 divisors (see below), whose sum is σ = 296250244992. Its totient is φ = 41142140000.

The previous prime is 135775212059. The next prime is 135775212091. The reversal of 135775212078 is 870212577531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2342953 + ... + 2400203.

It is an arithmetic number, because the mean of its divisors is an integer number (9257820156).

Almost surely, 2^135775212078 is an apocalyptic number.

135775212078 is an abundant number, since it is smaller than the sum of its proper divisors (160475032914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135775212078 is a wasteful number, since it uses less digits than its factorization.

135775212078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93200.

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 135775212078 in words is "one hundred thirty-five billion, seven hundred seventy-five million, two hundred twelve thousand, seventy-eight".