2134620155 has 16 divisors (see below), whose sum is σ = 2576862720. Its totient is φ = 1697513472.

The previous prime is 2134620109. The next prime is 2134620157. The reversal of 2134620155 is 5510264312.

It is a cyclic number.

It is not a de Polignac number, because 2134620155 - 2¹⁶ = 2134554619 is a prime.

It is a super-2 number, since 2×2134620155² = 9113206412264448050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2134620157) 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, 740006 + ... + 742884.

It is an arithmetic number, because the mean of its divisors is an integer number (161053920).

Almost surely, 2^2134620155 is an apocalyptic number.

2134620155 is a deficient number, since it is larger than the sum of its proper divisors (442242565).

2134620155 is a wasteful number, since it uses less digits than its factorization.

2134620155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2134620155 is about 46201.9496882978. The cubic root of 2134620155 is about 1287.5779634192.

Adding to 2134620155 its reverse (5510264312), we get a palindrome (7644884467).

The spelling of 2134620155 in words is "two billion, one hundred thirty-four million, six hundred twenty thousand, one hundred fifty-five".