1343404100 has 18 divisors (see below), whose sum is σ = 2915187114. Its totient is φ = 537361600.

The previous prime is 1343404093. The next prime is 1343404123. The reversal of 1343404100 is 14043431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 79459396 + 1263944704 = 8914^2 + 35552^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6716921 + ... + 6717120.

Almost surely, 2^1343404100 is an apocalyptic number.

1343404100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343404100 is an abundant number, since it is smaller than the sum of its proper divisors (1571783014).

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

1343404100 is a wasteful number, since it uses less digits than its factorization.

1343404100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434055 (or 13434048 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1343404100 is about 36652.4774060363. The cubic root of 1343404100 is about 1103.4065469459.

Adding to 1343404100 its reverse (14043431), we get a palindrome (1357447531).

The spelling of 1343404100 in words is "one billion, three hundred forty-three million, four hundred four thousand, one hundred".