1380522133 has 8 divisors (see below), whose sum is σ = 1418453208. Its totient is φ = 1342623744.

The previous prime is 1380522127. The next prime is 1380522137. The reversal of 1380522133 is 3312250831.

It can be written as a sum of positive squares in 4 ways, for example, as 1013339889 + 367182244 = 31833^2 + 19162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1380522133 - 2⁹ = 1380521621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380522137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95085 + ... + 108637.

It is an arithmetic number, because the mean of its divisors is an integer number (177306651).

Almost surely, 2^1380522133 is an apocalyptic number.

It is an amenable number.

1380522133 is a deficient number, since it is larger than the sum of its proper divisors (37931075).

1380522133 is a wasteful number, since it uses less digits than its factorization.

1380522133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1380522133 is about 37155.3782513380. The cubic root of 1380522133 is about 1113.4766767658.

Adding to 1380522133 its reverse (3312250831), we get a palindrome (4692772964).

It can be divided in two parts, 138052 and 2133, that added together give a triangular number (140185 = T₅₂₉).

The spelling of 1380522133 in words is "one billion, three hundred eighty million, five hundred twenty-two thousand, one hundred thirty-three".