1331420074677 has 192 divisors, whose sum is σ = 2530017165312. Its totient is φ = 654635520000.

The previous prime is 1331420074669. The next prime is 1331420074679. The reversal of 1331420074677 is 7764700241331.

It is a happy number.

1331420074677 is a `hidden beast` number, since 1 + 3 + 314 + 200 + 74 + 67 + 7 = 666.

It is not a de Polignac number, because 1331420074677 - 2³ = 1331420074669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331420074679) 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 191 ways as a sum of consecutive naturals, for example, 180088293 + ... + 180095685.

It is an arithmetic number, because the mean of its divisors is an integer number (13177172736).

Almost surely, 2^{1331420074677} is an apocalyptic number.

It is an amenable number.

1331420074677 is a deficient number, since it is larger than the sum of its proper divisors (1198597090635).

1331420074677 is a wasteful number, since it uses less digits than its factorization.

1331420074677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632 (or 7629 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 1331420074677 in words is "one trillion, three hundred thirty-one billion, four hundred twenty million, seventy-four thousand, six hundred seventy-seven".