1405057053 has 8 divisors (see below), whose sum is σ = 1873583008. Its totient is φ = 936617904.

The previous prime is 1405057039. The next prime is 1405057079. The reversal of 1405057053 is 3507505041.

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

It is not a de Polignac number, because 1405057053 - 2⁸ = 1405056797 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 1405057053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405057033) 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 7 ways as a sum of consecutive naturals, for example, 48675 + ... + 71967.

It is an arithmetic number, because the mean of its divisors is an integer number (234197876).

Almost surely, 2^1405057053 is an apocalyptic number.

It is an amenable number.

1405057053 is a deficient number, since it is larger than the sum of its proper divisors (468525955).

1405057053 is a wasteful number, since it uses less digits than its factorization.

1405057053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43403.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 1405057053 is about 37484.0906652409. The cubic root of 1405057053 is about 1120.0342923705.

The spelling of 1405057053 in words is "one billion, four hundred five million, fifty-seven thousand, fifty-three".