1405423142 has 16 divisors (see below), whose sum is σ = 2202024960. Its totient is φ = 671476872.

The previous prime is 1405423111. The next prime is 1405423153. The reversal of 1405423142 is 2413245041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31883 + ... + 61865.

It is an arithmetic number, because the mean of its divisors is an integer number (137626560).

Almost surely, 2^1405423142 is an apocalyptic number.

1405423142 is a deficient number, since it is larger than the sum of its proper divisors (796601818).

1405423142 is a wasteful number, since it uses less digits than its factorization.

1405423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31027.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1405423142 is about 37488.9736055817. The cubic root of 1405423142 is about 1120.1315592696.

Adding to 1405423142 its reverse (2413245041), we get a palindrome (3818668183).

The spelling of 1405423142 in words is "one billion, four hundred five million, four hundred twenty-three thousand, one hundred forty-two".