13334640145477 has 6 divisors (see below), whose sum is σ = 15511724250918. Its totient is φ = 11429691553224.

The previous prime is 13334640145423. The next prime is 13334640145493. The reversal of 13334640145477 is 77454104643331.

It can be written as a sum of positive squares in only one way, i.e., 12104317723876 + 1230322421601 = 3479126^2 + 1109199^2 .

It is not a de Polignac number, because 13334640145477 - 2¹⁵ = 13334640112709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13334640140477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136067756538 + ... + 136067756635.

It is an arithmetic number, because the mean of its divisors is an integer number (2585287375153).

Almost surely, 2^{13334640145477} is an apocalyptic number.

It is an amenable number.

13334640145477 is a deficient number, since it is larger than the sum of its proper divisors (2177084105441).

13334640145477 is an equidigital number, since it uses as much as digits as its factorization.

13334640145477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272135513187 (or 272135513180 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 13334640145477 in words is "thirteen trillion, three hundred thirty-four billion, six hundred forty million, one hundred forty-five thousand, four hundred seventy-seven".