3142285729 has 24 divisors (see below), whose sum is σ = 3696054048. Its totient is φ = 2648279040.

The previous prime is 3142285723. The next prime is 3142285753. The reversal of 3142285729 is 9275822413.

It is not a de Polignac number, because 3142285729 - 2¹¹ = 3142283681 is a prime.

It is a super-2 number, since 2×3142285729² = 19747919205354122882, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3142285723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205617 + ... + 220369.

It is an arithmetic number, because the mean of its divisors is an integer number (154002252).

Almost surely, 2^3142285729 is an apocalyptic number.

It is an amenable number.

3142285729 is a deficient number, since it is larger than the sum of its proper divisors (553768319).

3142285729 is a wasteful number, since it uses less digits than its factorization.

3142285729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14865 (or 14848 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 3142285729 is about 56056.0944857916. The cubic root of 3142285729 is about 1464.6995821927.

The spelling of 3142285729 in words is "three billion, one hundred forty-two million, two hundred eighty-five thousand, seven hundred twenty-nine".