1413381438 has 72 divisors (see below), whose sum is σ = 3587782224. Its totient is φ = 393914880.

The previous prime is 1413381427. The next prime is 1413381449. The reversal of 1413381438 is 8341833141.

It is a happy number.

1413381438 is a `hidden beast` number, since 14 + 133 + 81 + 438 = 666.

It is an interprime number because it is at equal distance from previous prime (1413381427) and next prime (1413381449).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 208470 + ... + 215142.

Almost surely, 2^1413381438 is an apocalyptic number.

1413381438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1413381438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793891112).

1413381438 is an abundant number, since it is smaller than the sum of its proper divisors (2174400786).

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

1413381438 is a wasteful number, since it uses less digits than its factorization.

1413381438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770 (or 6726 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1413381438 is about 37594.9655938132. The cubic root of 1413381438 is about 1122.2418525984.

The spelling of 1413381438 in words is "one billion, four hundred thirteen million, three hundred eighty-one thousand, four hundred thirty-eight".