1347881004 has 18 divisors (see below), whose sum is σ = 3407143740. Its totient is φ = 449293656.

The previous prime is 1347880999. The next prime is 1347881021. The reversal of 1347881004 is 4001887431.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 37441139 = 1347881004 / (1 + 3 + 4 + 7 + 8 + 8 + 1 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 1347881004.

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 5 ways as a sum of consecutive naturals, for example, 18720534 + ... + 18720605.

Almost surely, 2^1347881004 is an apocalyptic number.

It is an amenable number.

1347881004 is an abundant number, since it is smaller than the sum of its proper divisors (2059262736).

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

1347881004 is a wasteful number, since it uses less digits than its factorization.

1347881004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37441149 (or 37441144 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1347881004 is about 36713.4989343157. The cubic root of 1347881004 is about 1104.6308913715.

The spelling of 1347881004 in words is "one billion, three hundred forty-seven million, eight hundred eighty-one thousand, four".