2134421520 has 160 divisors (see below), whose sum is σ = 8249472000. Its totient is φ = 443512320.

The previous prime is 2134421507. The next prime is 2134421521. The reversal of 2134421520 is 251244312.

It is a super-2 number, since 2×2134421520² = 9111510450078220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2134421521) 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, 39270 + ... + 76229.

It is an arithmetic number, because the mean of its divisors is an integer number (51559200).

Almost surely, 2^2134421520 is an apocalyptic number.

2134421520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134421520 is an abundant number, since it is smaller than the sum of its proper divisors (6115050480).

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

2134421520 is a wasteful number, since it uses less digits than its factorization.

2134421520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115533 (or 115527 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2134421520 is about 46199.7999995671. The cubic root of 2134421520 is about 1287.5380240757.

Adding to 2134421520 its reverse (251244312), we get a palindrome (2385665832).

The spelling of 2134421520 in words is "two billion, one hundred thirty-four million, four hundred twenty-one thousand, five hundred twenty".