1342777556 has 6 divisors (see below), whose sum is σ = 2349860730. Its totient is φ = 671388776.

The previous prime is 1342777547. The next prime is 1342777577. The reversal of 1342777556 is 6557772431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 957283600 + 385493956 = 30940^2 + 19634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1342777556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167847191 + ... + 167847198.

It is an arithmetic number, because the mean of its divisors is an integer number (391643455).

Almost surely, 2^1342777556 is an apocalyptic number.

It is an amenable number.

1342777556 is a deficient number, since it is larger than the sum of its proper divisors (1007083174).

1342777556 is a wasteful number, since it uses less digits than its factorization.

1342777556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335694393 (or 335694391 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 47.

The square root of 1342777556 is about 36643.9293198751. The cubic root of 1342777556 is about 1103.2349827196.

The spelling of 1342777556 in words is "one billion, three hundred forty-two million, seven hundred seventy-seven thousand, five hundred fifty-six".