3149145706 has 16 divisors (see below), whose sum is σ = 5399279424. Its totient is φ = 1349447904.

The previous prime is 3149145691. The next prime is 3149145731. The reversal of 3149145706 is 6075419413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152601 + ... + 172003.

It is an arithmetic number, because the mean of its divisors is an integer number (337454964).

Almost surely, 2^3149145706 is an apocalyptic number.

3149145706 is a deficient number, since it is larger than the sum of its proper divisors (2250133718).

3149145706 is a wasteful number, since it uses less digits than its factorization.

3149145706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31005.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3149145706 is about 56117.2496296816. The cubic root of 3149145706 is about 1465.7646776171.

The spelling of 3149145706 in words is "three billion, one hundred forty-nine million, one hundred forty-five thousand, seven hundred six".