1358672021006 has 4 divisors (see below), whose sum is σ = 2038008031512. Its totient is φ = 679336010502.

The previous prime is 1358672020997. The next prime is 1358672021009. The reversal of 1358672021006 is 6001202768531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358672021009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339668005250 + ... + 339668005253.

It is an arithmetic number, because the mean of its divisors is an integer number (509502007878).

Almost surely, 2^{1358672021006} is an apocalyptic number.

1358672021006 is a deficient number, since it is larger than the sum of its proper divisors (679336010506).

1358672021006 is an equidigital number, since it uses as much as digits as its factorization.

1358672021006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679336010505.

The product of its (nonzero) digits is 120960, while the sum is 41.

Adding to 1358672021006 its reverse (6001202768531), we get a palindrome (7359874789537).

The spelling of 1358672021006 in words is "one trillion, three hundred fifty-eight billion, six hundred seventy-two million, twenty-one thousand, six".