2006135377 has 4 divisors (see below), whose sum is σ = 2018443120. Its totient is φ = 1993827636.

The previous prime is 2006135363. The next prime is 2006135389. The reversal of 2006135377 is 7735316002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7735316002 = 2 ⋅3867658001.

It is a cyclic number.

It is not a de Polignac number, because 2006135377 - 2²³ = 1997746769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006135077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153627 + ... + 6153952.

It is an arithmetic number, because the mean of its divisors is an integer number (504610780).

Almost surely, 2^2006135377 is an apocalyptic number.

It is an amenable number.

2006135377 is a deficient number, since it is larger than the sum of its proper divisors (12307743).

2006135377 is a wasteful number, since it uses less digits than its factorization.

2006135377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12307742.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 2006135377 is about 44789.9026232476. The cubic root of 2006135377 is about 1261.2080831569.

The spelling of 2006135377 in words is "two billion, six million, one hundred thirty-five thousand, three hundred seventy-seven".