1380306088 has 40 divisors (see below), whose sum is σ = 3019281930. Its totient is φ = 591551520.

The previous prime is 1380306071. The next prime is 1380306089. The reversal of 1380306088 is 8806030831.

It can be written as a sum of positive squares in only one way, i.e., 1379528164 + 777924 = 37142^2 + 882^2 .

It is not an unprimeable number, because it can be changed into a prime (1380306089) 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 9 ways as a sum of consecutive naturals, for example, 16723 + ... + 55138.

Almost surely, 2^1380306088 is an apocalyptic number.

It is an amenable number.

1380306088 is an abundant number, since it is smaller than the sum of its proper divisors (1638975842).

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

1380306088 is an frugal number, since it uses more digits than its factorization.

1380306088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71895 (or 71870 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1380306088 is about 37152.4708195835. The cubic root of 1380306088 is about 1113.4185891740.

The spelling of 1380306088 in words is "one billion, three hundred eighty million, three hundred six thousand, eighty-eight".