1371224133 has 20 divisors (see below), whose sum is σ = 2083097280. Its totient is φ = 898652232.

The previous prime is 1371224083. The next prime is 1371224137. The reversal of 1371224133 is 3314221731.

It is a happy number.

It is not a de Polignac number, because 1371224133 - 2⁶ = 1371224069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1371224097 and 1371224106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371224137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138685 + ... + 148242.

It is an arithmetic number, because the mean of its divisors is an integer number (104154864).

Almost surely, 2^1371224133 is an apocalyptic number.

It is an amenable number.

1371224133 is a deficient number, since it is larger than the sum of its proper divisors (711873147).

1371224133 is an equidigital number, since it uses as much as digits as its factorization.

1371224133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286998 (or 286989 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1371224133 is about 37030.0436537685. The cubic root of 1371224133 is about 1110.9712390437.

Adding to 1371224133 its reverse (3314221731), we get a palindrome (4685445864).

The spelling of 1371224133 in words is "one billion, three hundred seventy-one million, two hundred twenty-four thousand, one hundred thirty-three".