1401312133 has 4 divisors (see below), whose sum is σ = 1509105388. Its totient is φ = 1293518880.

The previous prime is 1401312113. The next prime is 1401312151. The reversal of 1401312133 is 3312131041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3312131041 = 53017 ⋅62473.

It can be written as a sum of positive squares in 2 ways, for example, as 942367204 + 458944929 = 30698^2 + 21423^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401312133 - 2⁹ = 1401311621 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 1401312133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401312113) 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, 53896608 + ... + 53896633.

It is an arithmetic number, because the mean of its divisors is an integer number (377276347).

Almost surely, 2^1401312133 is an apocalyptic number.

1401312133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1401312133 is a deficient number, since it is larger than the sum of its proper divisors (107793255).

1401312133 is a wasteful number, since it uses less digits than its factorization.

1401312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107793254.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1401312133 is about 37434.1038760112. The cubic root of 1401312133 is about 1119.0383254946.

Adding to 1401312133 its reverse (3312131041), we get a palindrome (4713443174).

The spelling of 1401312133 in words is "one billion, four hundred one million, three hundred twelve thousand, one hundred thirty-three".