1380008652 has 48 divisors (see below), whose sum is σ = 3547563264. Its totient is φ = 414040000.

The previous prime is 1380008633. The next prime is 1380008653. The reversal of 1380008652 is 2568000831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1380008653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38424 + ... + 65087.

It is an arithmetic number, because the mean of its divisors is an integer number (73907568).

Almost surely, 2^1380008652 is an apocalyptic number.

1380008652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1380008652 is an abundant number, since it is smaller than the sum of its proper divisors (2167554612).

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

1380008652 is a wasteful number, since it uses less digits than its factorization.

1380008652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103630 (or 103628 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1380008652 is about 37148.4676938363. The cubic root of 1380008652 is about 1113.3386082276.

The spelling of 1380008652 in words is "one billion, three hundred eighty million, eight thousand, six hundred fifty-two".