1406641053 has 4 divisors (see below), whose sum is σ = 1875521408. Its totient is φ = 937760700.

The previous prime is 1406641043. The next prime is 1406641087. The reversal of 1406641053 is 3501466041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1406641053 - 2⁸ = 1406640797 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 1406641053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406641043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234440173 + ... + 234440178.

It is an arithmetic number, because the mean of its divisors is an integer number (468880352).

Almost surely, 2^1406641053 is an apocalyptic number.

It is an amenable number.

1406641053 is a deficient number, since it is larger than the sum of its proper divisors (468880355).

1406641053 is an equidigital number, since it uses as much as digits as its factorization.

1406641053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468880354.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1406641053 is about 37505.2136775675. The cubic root of 1406641053 is about 1120.4550268972.

The spelling of 1406641053 in words is "one billion, four hundred six million, six hundred forty-one thousand, fifty-three".