1307218434 has 16 divisors (see below), whose sum is σ = 2768227488. Its totient is φ = 410107712.

The previous prime is 1307218433. The next prime is 1307218439. The reversal of 1307218434 is 4348127031.

It is a junction number, because it is equal to n+sod(n) for n = 1307218395 and 1307218404.

It is not an unprimeable number, because it can be changed into a prime (1307218433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6407832 + ... + 6408035.

It is an arithmetic number, because the mean of its divisors is an integer number (173014218).

Almost surely, 2^1307218434 is an apocalyptic number.

1307218434 is an abundant number, since it is smaller than the sum of its proper divisors (1461009054).

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

1307218434 is a wasteful number, since it uses less digits than its factorization.

1307218434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815889.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1307218434 is about 36155.4758508307. The cubic root of 1307218434 is about 1093.4091935226.

The spelling of 1307218434 in words is "one billion, three hundred seven million, two hundred eighteen thousand, four hundred thirty-four".