1380522165 has 32 divisors (see below), whose sum is σ = 2436739200. Its totient is φ = 661816320.

The previous prime is 1380522161. The next prime is 1380522167. The reversal of 1380522165 is 5612250831.

It is not a de Polignac number, because 1380522165 - 2² = 1380522161 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380522161) 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 31 ways as a sum of consecutive naturals, for example, 32320 + ... + 61689.

It is an arithmetic number, because the mean of its divisors is an integer number (76148100).

Almost surely, 2^1380522165 is an apocalyptic number.

1380522165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380522165 is a deficient number, since it is larger than the sum of its proper divisors (1056217035).

1380522165 is a wasteful number, since it uses less digits than its factorization.

1380522165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94117.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1380522165 is about 37155.3786819621. The cubic root of 1380522165 is about 1113.4766853692.

Adding to 1380522165 its reverse (5612250831), we get a palindrome (6992772996).

The spelling of 1380522165 in words is "one billion, three hundred eighty million, five hundred twenty-two thousand, one hundred sixty-five".