21141034 has 8 divisors (see below), whose sum is σ = 33380640. Its totient is φ = 10014156.

The previous prime is 21141007. The next prime is 21141037. The reversal of 21141034 is 43014112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21140999 and 21141017.

It is not an unprimeable number, because it can be changed into a prime (21141037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278134 + ... + 278209.

It is an arithmetic number, because the mean of its divisors is an integer number (4172580).

Almost surely, 2^21141034 is an apocalyptic number.

21141034 is a deficient number, since it is larger than the sum of its proper divisors (12239606).

21141034 is a wasteful number, since it uses less digits than its factorization.

21141034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556364.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 21141034 is about 4597.9380161111. The cubic root of 21141034 is about 276.5086625432.

Adding to 21141034 its reverse (43014112), we get a palindrome (64155146).

The spelling of 21141034 in words is "twenty-one million, one hundred forty-one thousand, thirty-four".