6136021 has 4 divisors (see below), whose sum is σ = 6140992. Its totient is φ = 6131052.

The previous prime is 6136003. The next prime is 6136073. The reversal of 6136021 is 1206316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6136021 - 2⁷ = 6135893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6136021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6136121) 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, 946 + ... + 3628.

It is an arithmetic number, because the mean of its divisors is an integer number (1535248).

Almost surely, 2^6136021 is an apocalyptic number.

It is an amenable number.

6136021 is a deficient number, since it is larger than the sum of its proper divisors (4971).

6136021 is a wasteful number, since it uses less digits than its factorization.

6136021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 6136021 is about 2477.0993116950. The cubic root of 6136021 is about 183.0749590893.

The spelling of 6136021 in words is "six million, one hundred thirty-six thousand, twenty-one".