1306184380 has 24 divisors (see below), whose sum is σ = 2831472000. Its totient is φ = 505619520.

The previous prime is 1306184377. The next prime is 1306184423. The reversal of 1306184380 is 834816031.

It is a super-2 number, since 2×1306184380² = 3412235269111968800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052755 + ... + 1053994.

It is an arithmetic number, because the mean of its divisors is an integer number (117978000).

Almost surely, 2^1306184380 is an apocalyptic number.

1306184380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306184380 is an abundant number, since it is smaller than the sum of its proper divisors (1525287620).

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

1306184380 is a wasteful number, since it uses less digits than its factorization.

1306184380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106789 (or 2106787 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1306184380 is about 36141.1729195387. The cubic root of 1306184380 is about 1093.1208095827.

The spelling of 1306184380 in words is "one billion, three hundred six million, one hundred eighty-four thousand, three hundred eighty".