1308855630 has 16 divisors (see below), whose sum is σ = 3141253584. Its totient is φ = 349028160.

The previous prime is 1308855623. The next prime is 1308855643. The reversal of 1308855630 is 365588031.

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, 21814231 + ... + 21814290.

It is an arithmetic number, because the mean of its divisors is an integer number (196328349).

Almost surely, 2^1308855630 is an apocalyptic number.

1308855630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1308855630 is an abundant number, since it is smaller than the sum of its proper divisors (1832397954).

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

1308855630 is a wasteful number, since it uses less digits than its factorization.

1308855630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43628531.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1308855630 is about 36178.1098179548. The cubic root of 1308855630 is about 1093.8654749156.

The spelling of 1308855630 in words is "one billion, three hundred eight million, eight hundred fifty-five thousand, six hundred thirty".