2135766446 has 16 divisors (see below), whose sum is σ = 3495910320. Its totient is φ = 970519680.

The previous prime is 2135766431. The next prime is 2135766463. The reversal of 2135766446 is 6446675312.

It is a super-2 number, since 2×2135766446² = 9122996623718941832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2135766397 and 2135766406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75590 + ... + 99926.

It is an arithmetic number, because the mean of its divisors is an integer number (218494395).

Almost surely, 2^2135766446 is an apocalyptic number.

2135766446 is a deficient number, since it is larger than the sum of its proper divisors (1360143874).

2135766446 is a wasteful number, since it uses less digits than its factorization.

2135766446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28339.

The product of its digits is 725760, while the sum is 44.

The square root of 2135766446 is about 46214.3532465835. The cubic root of 2135766446 is about 1287.8083986270.

It can be divided in two parts, 213576 and 6446, that added together give a palindrome (220022).

The spelling of 2135766446 in words is "two billion, one hundred thirty-five million, seven hundred sixty-six thousand, four hundred forty-six".