1401133424 has 20 divisors (see below), whose sum is σ = 2715544944. Its totient is φ = 700347648.

The previous prime is 1401133423. The next prime is 1401133451. The reversal of 1401133424 is 4243311041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401133424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401133423) 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, 47309 + ... + 70995.

Almost surely, 2^1401133424 is an apocalyptic number.

It is an amenable number.

1401133424 is a deficient number, since it is larger than the sum of its proper divisors (1314411520).

1401133424 is a wasteful number, since it uses less digits than its factorization.

1401133424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27392 (or 27386 counting only the distinct ones).

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

The square root of 1401133424 is about 37431.7168187621. The cubic root of 1401133424 is about 1118.9907532426.

Adding to 1401133424 its reverse (4243311041), we get a palindrome (5644444465).

The spelling of 1401133424 in words is "one billion, four hundred one million, one hundred thirty-three thousand, four hundred twenty-four".