1376536136977 has 4 divisors (see below), whose sum is σ = 1393960645120. Its totient is φ = 1359111628836.

The previous prime is 1376536136971. The next prime is 1376536137001. The reversal of 1376536136977 is 7796316356731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1376536136977 - 2³¹ = 1374388653329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1376536136971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8712253953 + ... + 8712254110.

It is an arithmetic number, because the mean of its divisors is an integer number (348490161280).

Almost surely, 2^{1376536136977} is an apocalyptic number.

It is an amenable number.

1376536136977 is a deficient number, since it is larger than the sum of its proper divisors (17424508143).

1376536136977 is an equidigital number, since it uses as much as digits as its factorization.

1376536136977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17424508142.

The product of its digits is 90016920, while the sum is 64.

The spelling of 1376536136977 in words is "one trillion, three hundred seventy-six billion, five hundred thirty-six million, one hundred thirty-six thousand, nine hundred seventy-seven".