1338735461 has 8 divisors (see below), whose sum is σ = 1530260160. Its totient is φ = 1147279968.

The previous prime is 1338735457. The next prime is 1338735473. The reversal of 1338735461 is 1645378331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1338735461 - 2² = 1338735457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338735481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34505 + ... + 62193.

It is an arithmetic number, because the mean of its divisors is an integer number (191282520).

Almost surely, 2^1338735461 is an apocalyptic number.

It is an amenable number.

1338735461 is a deficient number, since it is larger than the sum of its proper divisors (191524699).

1338735461 is an equidigital number, since it uses as much as digits as its factorization.

1338735461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34603.

The product of its digits is 181440, while the sum is 41.

The square root of 1338735461 is about 36588.7340721157. The cubic root of 1338735461 is about 1102.1268660149.

The spelling of 1338735461 in words is "one billion, three hundred thirty-eight million, seven hundred thirty-five thousand, four hundred sixty-one".