3149142727 has 4 divisors (see below), whose sum is σ = 3286062000. Its totient is φ = 3012223456.

The previous prime is 3149142721. The next prime is 3149142743. The reversal of 3149142727 is 7272419413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3149142727 is a prime.

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 3149142727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149142721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68459602 + ... + 68459647.

It is an arithmetic number, because the mean of its divisors is an integer number (821515500).

Almost surely, 2^3149142727 is an apocalyptic number.

3149142727 is a deficient number, since it is larger than the sum of its proper divisors (136919273).

3149142727 is a wasteful number, since it uses less digits than its factorization.

3149142727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136919272.

The product of its digits is 84672, while the sum is 40.

The square root of 3149142727 is about 56117.2230870345. The cubic root of 3149142727 is about 1465.7642154268.

The spelling of 3149142727 in words is "three billion, one hundred forty-nine million, one hundred forty-two thousand, seven hundred twenty-seven".