1358672021007 has 16 divisors (see below), whose sum is σ = 2080761177600. Its totient is φ = 772482582432.

The previous prime is 1358672020997. The next prime is 1358672021009. The reversal of 1358672021007 is 7001202768531.

It is not a de Polignac number, because 1358672021007 - 2⁸ = 1358672020751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1358672021007.

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 in 15 ways as a sum of consecutive naturals, for example, 162555288 + ... + 162563645.

It is an arithmetic number, because the mean of its divisors is an integer number (130047573600).

Almost surely, 2^{1358672021007} is an apocalyptic number.

1358672021007 is a deficient number, since it is larger than the sum of its proper divisors (722089156593).

1358672021007 is a wasteful number, since it uses less digits than its factorization.

1358672021007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325119142.

The product of its (nonzero) digits is 141120, while the sum is 42.

Adding to 1358672021007 its reverse (7001202768531), we get a palindrome (8359874789538).

The spelling of 1358672021007 in words is "one trillion, three hundred fifty-eight billion, six hundred seventy-two million, twenty-one thousand, seven".