1408345133 has 4 divisors (see below), whose sum is σ = 1516679388. Its totient is φ = 1300010880.

The previous prime is 1408345129. The next prime is 1408345199. The reversal of 1408345133 is 3315438041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3315438041 = 19 ⋅174496739.

It can be written as a sum of positive squares in 2 ways, for example, as 84695209 + 1323649924 = 9203^2 + 36382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408345133 - 2² = 1408345129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408345133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408345033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54167108 + ... + 54167133.

It is an arithmetic number, because the mean of its divisors is an integer number (379169847).

Almost surely, 2^1408345133 is an apocalyptic number.

1408345133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1408345133 is a deficient number, since it is larger than the sum of its proper divisors (108334255).

1408345133 is a wasteful number, since it uses less digits than its factorization.

1408345133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108334254.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1408345133 is about 37527.9247094747. The cubic root of 1408345133 is about 1120.9073039699.

The spelling of 1408345133 in words is "one billion, four hundred eight million, three hundred forty-five thousand, one hundred thirty-three".