1380404034 has 12 divisors (see below), whose sum is σ = 2990875446. Its totient is φ = 460134672.

The previous prime is 1380404023. The next prime is 1380404057. The reversal of 1380404034 is 4304040831.

It can be written as a sum of positive squares in only one way, i.e., 1168614225 + 211789809 = 34185^2 + 14553^2 .

It is a super-3 number, since 3×1380404034³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1380403989 and 1380404007.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 38344539 + ... + 38344574.

Almost surely, 2^1380404034 is an apocalyptic number.

1380404034 is an abundant number, since it is smaller than the sum of its proper divisors (1610471412).

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

1380404034 is a wasteful number, since it uses less digits than its factorization.

1380404034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76689121 (or 76689118 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1380404034 is about 37153.7889588666. The cubic root of 1380404034 is about 1113.4449244723. Note that the first 3 decimals are identical.

Adding to 1380404034 its reverse (4304040831), we get a palindrome (5684444865).

The spelling of 1380404034 in words is "one billion, three hundred eighty million, four hundred four thousand, thirty-four".