1342278805 has 24 divisors (see below), whose sum is σ = 1884125880. Its totient is φ = 915304320.

The previous prime is 1342278797. The next prime is 1342278823. The reversal of 1342278805 is 5088722431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34082244 + 1308196561 = 5838^2 + 36169^2 .

It is not a de Polignac number, because 1342278805 - 2³ = 1342278797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29211 + ... + 59479.

It is an arithmetic number, because the mean of its divisors is an integer number (78505245).

Almost surely, 2^1342278805 is an apocalyptic number.

It is an amenable number.

1342278805 is a deficient number, since it is larger than the sum of its proper divisors (541847075).

1342278805 is a wasteful number, since it uses less digits than its factorization.

1342278805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30469 (or 30462 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1342278805 is about 36637.1233177497. The cubic root of 1342278805 is about 1103.0983734234.

The spelling of 1342278805 in words is "one billion, three hundred forty-two million, two hundred seventy-eight thousand, eight hundred five".