1380307536 has 30 divisors (see below), whose sum is σ = 3862944410. Its totient is φ = 460102464.

The previous prime is 1380307493. The next prime is 1380307549. The reversal of 1380307536 is 6357030831.

1380307536 is a `hidden beast` number, since 13 + 80 + 30 + 7 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 825987600 + 554319936 = 28740^2 + 23544^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1380307536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4792591 + ... + 4792878.

Almost surely, 2^1380307536 is an apocalyptic number.

1380307536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1380307536 is an abundant number, since it is smaller than the sum of its proper divisors (2482636874).

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

1380307536 is a wasteful number, since it uses less digits than its factorization.

1380307536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585483 (or 9585474 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1380307536 is about 37152.4903068422. The cubic root of 1380307536 is about 1113.4189785151.

The spelling of 1380307536 in words is "one billion, three hundred eighty million, three hundred seven thousand, five hundred thirty-six".