1401431133 has 8 divisors (see below), whose sum is σ = 1868886208. Its totient is φ = 934131744.

The previous prime is 1401431123. The next prime is 1401431137. The reversal of 1401431133 is 3311341041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1401431133 - 2⁴ = 1401431117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401431137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15985 + ... + 55302.

It is an arithmetic number, because the mean of its divisors is an integer number (233610776).

Almost surely, 2^1401431133 is an apocalyptic number.

It is an amenable number.

1401431133 is a deficient number, since it is larger than the sum of its proper divisors (467455075).

1401431133 is an equidigital number, since it uses as much as digits as its factorization.

1401431133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77843.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1401431133 is about 37435.6933019812. The cubic root of 1401431133 is about 1119.0700009956.

Adding to 1401431133 its reverse (3311341041), we get a palindrome (4712772174).

The spelling of 1401431133 in words is "one billion, four hundred one million, four hundred thirty-one thousand, one hundred thirty-three".