1381413057 has 16 divisors (see below), whose sum is σ = 1924274880. Its totient is φ = 880376000.

The previous prime is 1381413043. The next prime is 1381413067. The reversal of 1381413057 is 7503141831.

It is a cyclic number.

It is not a de Polignac number, because 1381413057 - 2⁸ = 1381412801 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1381413037) 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, 69819 + ... + 87392.

It is an arithmetic number, because the mean of its divisors is an integer number (120267180).

Almost surely, 2^1381413057 is an apocalyptic number.

It is an amenable number.

1381413057 is a deficient number, since it is larger than the sum of its proper divisors (542861823).

1381413057 is a wasteful number, since it uses less digits than its factorization.

1381413057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157344.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1381413057 is about 37167.3654837143. The cubic root of 1381413057 is about 1113.7161537352.

Adding to 1381413057 its reverse (7503141831), we get a palindrome (8884554888).

The spelling of 1381413057 in words is "one billion, three hundred eighty-one million, four hundred thirteen thousand, fifty-seven".