1307867380 has 12 divisors (see below), whose sum is σ = 2746521540. Its totient is φ = 523146944.

The previous prime is 1307867359. The next prime is 1307867383. The reversal of 1307867380 is 837687031.

It can be written as a sum of positive squares in 2 ways, for example, as 239754256 + 1068113124 = 15484^2 + 32682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307867383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32696665 + ... + 32696704.

It is an arithmetic number, because the mean of its divisors is an integer number (228876795).

Almost surely, 2^1307867380 is an apocalyptic number.

1307867380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1307867380 is an abundant number, since it is smaller than the sum of its proper divisors (1438654160).

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

1307867380 is a wasteful number, since it uses less digits than its factorization.

1307867380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65393378 (or 65393376 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1307867380 is about 36164.4491178837. The cubic root of 1307867380 is about 1093.5900982895.

The spelling of 1307867380 in words is "one billion, three hundred seven million, eight hundred sixty-seven thousand, three hundred eighty".