1424400133 has 8 divisors (see below), whose sum is σ = 1537918200. Its totient is φ = 1311446208.

The previous prime is 1424400079. The next prime is 1424400139. The reversal of 1424400133 is 3310044241.

It can be written as a sum of positive squares in 4 ways, for example, as 78464164 + 1345935969 = 8858^2 + 36687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1424400133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424400139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135778 + ... + 145891.

It is an arithmetic number, because the mean of its divisors is an integer number (192239775).

Almost surely, 2^1424400133 is an apocalyptic number.

1424400133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1424400133 is a deficient number, since it is larger than the sum of its proper divisors (113518067).

1424400133 is a wasteful number, since it uses less digits than its factorization.

1424400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282071.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1424400133 is about 37741.2259074874. The cubic root of 1424400133 is about 1125.1506321429.

Adding to 1424400133 its reverse (3310044241), we get a palindrome (4734444374).

The spelling of 1424400133 in words is "one billion, four hundred twenty-four million, four hundred thousand, one hundred thirty-three".