1377071383 has 4 divisors (see below), whose sum is σ = 1458075600. Its totient is φ = 1296067168.

The previous prime is 1377071369. The next prime is 1377071407. The reversal of 1377071383 is 3831707731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3831707731 = 73 ⋅52489147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377071383 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377071323) 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 3 ways as a sum of consecutive naturals, for example, 40502083 + ... + 40502116.

It is an arithmetic number, because the mean of its divisors is an integer number (364518900).

Almost surely, 2^1377071383 is an apocalyptic number.

1377071383 is a deficient number, since it is larger than the sum of its proper divisors (81004217).

1377071383 is an equidigital number, since it uses as much as digits as its factorization.

1377071383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81004216.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 1377071383 is about 37108.9124470120. The cubic root of 1377071383 is about 1112.5481547645.

The spelling of 1377071383 in words is "one billion, three hundred seventy-seven million, seventy-one thousand, three hundred eighty-three".