1377106005 has 16 divisors (see below), whose sum is σ = 2403676224. Its totient is φ = 667687680.

The previous prime is 1377106001. The next prime is 1377106009. The reversal of 1377106005 is 5006017731.

It is an interprime number because it is at equal distance from previous prime (1377106001) and next prime (1377106009).

It is not a de Polignac number, because 1377106005 - 2² = 1377106001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377106001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4172884 + ... + 4173213.

It is an arithmetic number, because the mean of its divisors is an integer number (150229764).

Almost surely, 2^1377106005 is an apocalyptic number.

1377106005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1377106005 is a deficient number, since it is larger than the sum of its proper divisors (1026570219).

1377106005 is a wasteful number, since it uses less digits than its factorization.

1377106005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346116.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 1377106005 is about 37109.3789357893. The cubic root of 1377106005 is about 1112.5574784930.

The spelling of 1377106005 in words is "one billion, three hundred seventy-seven million, one hundred six thousand, five".