4135985142 has 16 divisors (see below), whose sum is σ = 8278363632. Its totient is φ = 1377596160.

The previous prime is 4135985123. The next prime is 4135985153. The reversal of 4135985142 is 2415895314.

It is a junction number, because it is equal to n+sod(n) for n = 4135985094 and 4135985103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257959 + ... + 273522.

It is an arithmetic number, because the mean of its divisors is an integer number (517397727).

Almost surely, 2^4135985142 is an apocalyptic number.

4135985142 is an abundant number, since it is smaller than the sum of its proper divisors (4142378490).

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

4135985142 is a wasteful number, since it uses less digits than its factorization.

4135985142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532783.

The product of its digits is 172800, while the sum is 42.

The square root of 4135985142 is about 64311.6252476953. The cubic root of 4135985142 is about 1605.1895483671.

The spelling of 4135985142 in words is "four billion, one hundred thirty-five million, nine hundred eighty-five thousand, one hundred forty-two".