35140021 has 16 divisors (see below), whose sum is σ = 42340608. Its totient is φ = 28512000.

The previous prime is 35140013. The next prime is 35140033. The reversal of 35140021 is 12004153.

It is a cyclic number.

It is not a de Polignac number, because 35140021 - 2³ = 35140013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35139977 and 35140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35143021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15181 + ... + 17341.

It is an arithmetic number, because the mean of its divisors is an integer number (2646288).

Almost surely, 2^35140021 is an apocalyptic number.

It is an amenable number.

35140021 is a deficient number, since it is larger than the sum of its proper divisors (7200587).

35140021 is a wasteful number, since it uses less digits than its factorization.

35140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 35140021 is about 5927.9019053962. The cubic root of 35140021 is about 327.5422582069.

Adding to 35140021 its reverse (12004153), we get a palindrome (47144174).

The spelling of 35140021 in words is "thirty-five million, one hundred forty thousand, twenty-one".