1306454420 has 48 divisors (see below), whose sum is σ = 2918135808. Its totient is φ = 489607680.

The previous prime is 1306454417. The next prime is 1306454431. The reversal of 1306454420 is 244546031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67205 + ... + 84435.

It is an arithmetic number, because the mean of its divisors is an integer number (60794496).

Almost surely, 2^1306454420 is an apocalyptic number.

1306454420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1306454420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459067904).

1306454420 is an abundant number, since it is smaller than the sum of its proper divisors (1611681388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306454420 is a wasteful number, since it uses less digits than its factorization.

1306454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17480 (or 17478 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1306454420 is about 36144.9086317838. The cubic root of 1306454420 is about 1093.1961348349.

The spelling of 1306454420 in words is "one billion, three hundred six million, four hundred fifty-four thousand, four hundred twenty".