3146742181 has 8 divisors (see below), whose sum is σ = 3446169984. Its totient is φ = 2849541120.

The previous prime is 3146742139. The next prime is 3146742227. The reversal of 3146742181 is 1812476413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3146742181 - 2²⁷ = 3012524453 is a prime.

It is a super-2 number, since 2×3146742181² = 19803972707369273522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3146742181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146742101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553725 + ... + 559378.

It is an arithmetic number, because the mean of its divisors is an integer number (430771248).

Almost surely, 2^3146742181 is an apocalyptic number.

It is an amenable number.

3146742181 is a deficient number, since it is larger than the sum of its proper divisors (299427803).

3146742181 is a wasteful number, since it uses less digits than its factorization.

3146742181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113371.

The product of its digits is 32256, while the sum is 37.

The square root of 3146742181 is about 56095.8303352397. The cubic root of 3146742181 is about 1465.3916771228.

The spelling of 3146742181 in words is "three billion, one hundred forty-six million, seven hundred forty-two thousand, one hundred eighty-one".