1338554241 has 10 divisors (see below), whose sum is σ = 1999568802. Its totient is φ = 892369440.

The previous prime is 1338554233. The next prime is 1338554309. The reversal of 1338554241 is 1424558331.

1338554241 is a `hidden beast` number, since 1 + 33 + 85 + 542 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1259966016 + 78588225 = 35496^2 + 8865^2 .

It is not a de Polignac number, because 1338554241 - 2³ = 1338554233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1338554196 and 1338554205.

It is not an unprimeable number, because it can be changed into a prime (1338554221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8262600 + ... + 8262761.

Almost surely, 2^1338554241 is an apocalyptic number.

It is an amenable number.

1338554241 is a deficient number, since it is larger than the sum of its proper divisors (661014561).

1338554241 is an equidigital number, since it uses as much as digits as its factorization.

1338554241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525373 (or 16525364 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1338554241 is about 36586.2575429628. The cubic root of 1338554241 is about 1102.0771334005.

The spelling of 1338554241 in words is "one billion, three hundred thirty-eight million, five hundred fifty-four thousand, two hundred forty-one".