2154042034 has 16 divisors (see below), whose sum is σ = 3240881280. Its totient is φ = 1073754640.

The previous prime is 2154042017. The next prime is 2154042053. The reversal of 2154042034 is 4302404512.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568172 + ... + 1569544.

It is an arithmetic number, because the mean of its divisors is an integer number (202555080).

Almost surely, 2^2154042034 is an apocalyptic number.

2154042034 is a deficient number, since it is larger than the sum of its proper divisors (1086839246).

2154042034 is a wasteful number, since it uses less digits than its factorization.

2154042034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2154042034 is about 46411.6583845051. The cubic root of 2154042034 is about 1291.4711965453.

Adding to 2154042034 its reverse (4302404512), we get a palindrome (6456446546).

The spelling of 2154042034 in words is "two billion, one hundred fifty-four million, forty-two thousand, thirty-four".