1380434025 has 48 divisors (see below), whose sum is σ = 2335832640. Its totient is φ = 719097600.

The previous prime is 1380434023. The next prime is 1380434053. The reversal of 1380434025 is 5204340831.

It is not a de Polignac number, because 1380434025 - 2¹ = 1380434023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1380433983 and 1380434001.

It is not an unprimeable number, because it can be changed into a prime (1380434021) 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 47 ways as a sum of consecutive naturals, for example, 1068630 + ... + 1069920.

It is an arithmetic number, because the mean of its divisors is an integer number (48663180).

Almost surely, 2^1380434025 is an apocalyptic number.

1380434025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380434025 is a deficient number, since it is larger than the sum of its proper divisors (955398615).

1380434025 is a wasteful number, since it uses less digits than its factorization.

1380434025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1380434025 is about 37154.1925628858. The cubic root of 1380434025 is about 1113.4529880740.

Adding to 1380434025 its reverse (5204340831), we get a palindrome (6584774856).

The spelling of 1380434025 in words is "one billion, three hundred eighty million, four hundred thirty-four thousand, twenty-five".