1338541477 has 48 divisors (see below), whose sum is σ = 1727765760. Its totient is φ = 1027458432.

The previous prime is 1338541471. The next prime is 1338541481. The reversal of 1338541477 is 7741458331.

It is a happy number.

It is not a de Polignac number, because 1338541477 - 2¹¹ = 1338539429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338541471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3371443 + ... + 3371839.

It is an arithmetic number, because the mean of its divisors is an integer number (35995120).

Almost surely, 2^1338541477 is an apocalyptic number.

It is an amenable number.

1338541477 is a deficient number, since it is larger than the sum of its proper divisors (389224283).

1338541477 is a wasteful number, since it uses less digits than its factorization.

1338541477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 563 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 1338541477 is about 36586.0831054651. The cubic root of 1338541477 is about 1102.0736303779.

The spelling of 1338541477 in words is "one billion, three hundred thirty-eight million, five hundred forty-one thousand, four hundred seventy-seven".