2151354234 has 16 divisors (see below), whose sum is σ = 4303229472. Its totient is φ = 717031248.

The previous prime is 2151354223. The next prime is 2151354239. The reversal of 2151354234 is 4324531512.

It is not an unprimeable number, because it can be changed into a prime (2151354239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50397 + ... + 82719.

It is an arithmetic number, because the mean of its divisors is an integer number (268951842).

Almost surely, 2^2151354234 is an apocalyptic number.

2151354234 is an abundant number, since it is smaller than the sum of its proper divisors (2151875238).

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

2151354234 is a wasteful number, since it uses less digits than its factorization.

2151354234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43421.

The product of its digits is 14400, while the sum is 30.

The square root of 2151354234 is about 46382.6932594475. The cubic root of 2151354234 is about 1290.9338097757.

Adding to 2151354234 its reverse (4324531512), we get a palindrome (6475885746).

The spelling of 2151354234 in words is "two billion, one hundred fifty-one million, three hundred fifty-four thousand, two hundred thirty-four".