13540546740077 has 6 divisors (see below), whose sum is σ = 15751248248718. Its totient is φ = 11606182920024.

The previous prime is 13540546740067. The next prime is 13540546740103. The reversal of 13540546740077 is 77004764504531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9566859325156 + 3973687414921 = 3093034^2 + 1993411^2 .

It is not a de Polignac number, because 13540546740077 - 2⁸ = 13540546739821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540546740067) 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, 138168844238 + ... + 138168844335.

It is an arithmetic number, because the mean of its divisors is an integer number (2625208041453).

Almost surely, 2^{13540546740077} is an apocalyptic number.

It is an amenable number.

13540546740077 is a deficient number, since it is larger than the sum of its proper divisors (2210701508641).

13540546740077 is an equidigital number, since it uses as much as digits as its factorization.

13540546740077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276337688587 (or 276337688580 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 13540546740077 in words is "thirteen trillion, five hundred forty billion, five hundred forty-six million, seven hundred forty thousand, seventy-seven".