1404142133 has 4 divisors (see below), whose sum is σ = 1404673260. Its totient is φ = 1403611008.

The previous prime is 1404142127. The next prime is 1404142141. The reversal of 1404142133 is 3312414041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3312414041 = 14009 ⋅236449.

It can be written as a sum of positive squares in 2 ways, for example, as 341251729 + 1062890404 = 18473^2 + 32602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404142133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404142099 and 1404142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404145133) 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, 261578 + ... + 266891.

It is an arithmetic number, because the mean of its divisors is an integer number (351168315).

Almost surely, 2^1404142133 is an apocalyptic number.

It is an amenable number.

1404142133 is a deficient number, since it is larger than the sum of its proper divisors (531127).

1404142133 is an equidigital number, since it uses as much as digits as its factorization.

1404142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531126.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1404142133 is about 37471.8845669657. The cubic root of 1404142133 is about 1119.7911315970.

Adding to 1404142133 its reverse (3312414041), we get a palindrome (4716556174).

The spelling of 1404142133 in words is "one billion, four hundred four million, one hundred forty-two thousand, one hundred thirty-three".