2151141434 has 16 divisors (see below), whose sum is σ = 3475755360. Its totient is φ = 992596080.

The previous prime is 2151141431. The next prime is 2151141451. The reversal of 2151141434 is 4341411512.

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

It is not an unprimeable number, because it can be changed into a prime (2151141431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147449 + ... + 161379.

It is an arithmetic number, because the mean of its divisors is an integer number (217234710).

Almost surely, 2^2151141434 is an apocalyptic number.

2151141434 is a deficient number, since it is larger than the sum of its proper divisors (1324613926).

2151141434 is a wasteful number, since it uses less digits than its factorization.

2151141434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19885.

The product of its digits is 1920, while the sum is 26.

The square root of 2151141434 is about 46380.3992436460. The cubic root of 2151141434 is about 1290.8912443738.

Adding to 2151141434 its reverse (4341411512), we get a palindrome (6492552946).

The spelling of 2151141434 in words is "two billion, one hundred fifty-one million, one hundred forty-one thousand, four hundred thirty-four".