1380523026 has 16 divisors (see below), whose sum is σ = 2766816000. Its totient is φ = 459212688.

The previous prime is 1380522971. The next prime is 1380523037. The reversal of 1380523026 is 6203250831.

It is a junction number, because it is equal to n+sod(n) for n = 1380522984 and 1380523002.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 237301 + ... + 243048.

It is an arithmetic number, because the mean of its divisors is an integer number (172926000).

Almost surely, 2^1380523026 is an apocalyptic number.

1380523026 is an abundant number, since it is smaller than the sum of its proper divisors (1386292974).

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

1380523026 is a wasteful number, since it uses less digits than its factorization.

1380523026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480833.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1380523026 is about 37155.3902684388. The cubic root of 1380523026 is about 1113.4769168524.

Adding to 1380523026 its reverse (6203250831), we get a palindrome (7583773857).

The spelling of 1380523026 in words is "one billion, three hundred eighty million, five hundred twenty-three thousand, twenty-six".