1393381461 has 16 divisors (see below), whose sum is σ = 1886934528. Its totient is φ = 914415600.

The previous prime is 1393381447. The next prime is 1393381487. The reversal of 1393381461 is 1641833931.

It is not a de Polignac number, because 1393381461 - 2¹⁰ = 1393380437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393381061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142450 + ... + 151916.

It is an arithmetic number, because the mean of its divisors is an integer number (117933408).

Almost surely, 2^1393381461 is an apocalyptic number.

It is an amenable number.

1393381461 is a deficient number, since it is larger than the sum of its proper divisors (493553067).

1393381461 is an equidigital number, since it uses as much as digits as its factorization.

1393381461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232.

The product of its digits is 46656, while the sum is 39.

The square root of 1393381461 is about 37328.0251419761. The cubic root of 1393381461 is about 1116.9232790319.

The spelling of 1393381461 in words is "one billion, three hundred ninety-three million, three hundred eighty-one thousand, four hundred sixty-one".