3149020109 has 8 divisors (see below), whose sum is σ = 3340252728. Its totient is φ = 2958453760.

The previous prime is 3149020097. The next prime is 3149020123. The reversal of 3149020109 is 9010209413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1046522500 + 2102497609 = 32350^2 + 45853^2 .

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 3149020109 - 2¹⁶ = 3148954573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149020139) 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, 156812 + ... + 175749.

It is an arithmetic number, because the mean of its divisors is an integer number (417531591).

Almost surely, 2^3149020109 is an apocalyptic number.

It is an amenable number.

3149020109 is a deficient number, since it is larger than the sum of its proper divisors (191232619).

3149020109 is a wasteful number, since it uses less digits than its factorization.

3149020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333135.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 3149020109 is about 56116.1305597597. The cubic root of 3149020109 is about 1465.7451910525.

The spelling of 3149020109 in words is "three billion, one hundred forty-nine million, twenty thousand, one hundred nine".