1320136160421 has 16 divisors (see below), whose sum is σ = 1895733949760. Its totient is φ = 812325559680.

The previous prime is 1320136160351. The next prime is 1320136160513. The reversal of 1320136160421 is 1240616310231.

It is not a de Polignac number, because 1320136160421 - 2¹⁷ = 1320136029349 is a prime.

It is a super-2 number, since 2×1320136160421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320136160221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884440 + ... + 1850001.

It is an arithmetic number, because the mean of its divisors is an integer number (118483371860).

Almost surely, 2^{1320136160421} is an apocalyptic number.

It is an amenable number.

1320136160421 is a deficient number, since it is larger than the sum of its proper divisors (575597789339).

1320136160421 is a wasteful number, since it uses less digits than its factorization.

1320136160421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746836.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1320136160421 in words is "one trillion, three hundred twenty billion, one hundred thirty-six million, one hundred sixty thousand, four hundred twenty-one".