2105137034 has 64 divisors (see below), whose sum is σ = 4462940160. Its totient is φ = 717232320.

The previous prime is 2105137019. The next prime is 2105137039. The reversal of 2105137034 is 4307315012.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2105136994 and 2105137012.

It is not an unprimeable number, because it can be changed into a prime (2105137039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10367 + ... + 65709.

It is an arithmetic number, because the mean of its divisors is an integer number (69733440).

Almost surely, 2^2105137034 is an apocalyptic number.

2105137034 is an abundant number, since it is smaller than the sum of its proper divisors (2357803126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105137034 is a wasteful number, since it uses less digits than its factorization.

2105137034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55395.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2105137034 is about 45881.7723502482. The cubic root of 2105137034 is about 1281.6225018071.

It can be divided in two parts, 21051 and 37034, that added together give a palindrome (58085).

The spelling of 2105137034 in words is "two billion, one hundred five million, one hundred thirty-seven thousand, thirty-four".