1206146413 has 8 divisors (see below), whose sum is σ = 1281520440. Its totient is φ = 1135192000.

The previous prime is 1206146411. The next prime is 1206146471. The reversal of 1206146413 is 3146416021.

It can be written as a sum of positive squares in 4 ways, for example, as 17413929 + 1188732484 = 4173^2 + 34478^2 .

It is not a de Polignac number, because 1206146413 - 2¹ = 1206146411 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 (1206146411) by changing a digit.

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, 117838 + ... + 127663.

It is an arithmetic number, because the mean of its divisors is an integer number (160190055).

Almost surely, 2^1206146413 is an apocalyptic number.

It is an amenable number.

1206146413 is a deficient number, since it is larger than the sum of its proper divisors (75374027).

1206146413 is an frugal number, since it uses more digits than its factorization.

1206146413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245552 (or 245518 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1206146413 is about 34729.6186705239. The cubic root of 1206146413 is about 1064.4697965525.

The spelling of 1206146413 in words is "one billion, two hundred six million, one hundred forty-six thousand, four hundred thirteen".