85128135014 has 32 divisors (see below), whose sum is σ = 140851872000. Its totient is φ = 38346011424.

The previous prime is 85128135013. The next prime is 85128135091. The reversal of 85128135014 is 41053182158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85128135013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13607 + ... + 412845.

It is an arithmetic number, because the mean of its divisors is an integer number (4401621000).

Almost surely, 2^85128135014 is an apocalyptic number.

85128135014 is a deficient number, since it is larger than the sum of its proper divisors (55723736986).

85128135014 is a wasteful number, since it uses less digits than its factorization.

85128135014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399452.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 85128135014 in words is "eighty-five billion, one hundred twenty-eight million, one hundred thirty-five thousand, fourteen".