2134865970 has 120 divisors (see below), whose sum is σ = 5875072236. Its totient is φ = 556051392.

The previous prime is 2134865969. The next prime is 2134866029. The reversal of 2134865970 is 795684312.

2134865970 is a `hidden beast` number, since 2 + 13 + 48 + 6 + 597 + 0 = 666.

2134865970 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2130837921 + 4028049 = 46161^2 + 2007^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

2134865970 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9573279 + ... + 9573501.

It is a 1-persistent number, because it is pandigital, but 2⋅2134865970 = 4269731940 is not.

Almost surely, 2^2134865970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134865970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937536118).

2134865970 is an abundant number, since it is smaller than the sum of its proper divisors (3740206266).

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

2134865970 is an equidigital number, since it uses as much as digits as its factorization.

2134865970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2134865970 is about 46204.6098349505. The cubic root of 2134865970 is about 1287.6273857684.

The spelling of 2134865970 in words is "two billion, one hundred thirty-four million, eight hundred sixty-five thousand, nine hundred seventy".