1354121577677 has 4 divisors (see below), whose sum is σ = 1477223539296. Its totient is φ = 1231019616060.

The previous prime is 1354121577631. The next prime is 1354121577709. The reversal of 1354121577677 is 7767751214531.

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 a de Polignac number, because none of the positive numbers 2^k-1354121577677 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 (1354121574677) 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, 61550980793 + ... + 61550980814.

It is an arithmetic number, because the mean of its divisors is an integer number (369305884824).

Almost surely, 2^{1354121577677} is an apocalyptic number.

It is an amenable number.

1354121577677 is a deficient number, since it is larger than the sum of its proper divisors (123101961619).

1354121577677 is a wasteful number, since it uses less digits than its factorization.

1354121577677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123101961618.

The product of its digits is 8643600, while the sum is 56.

The spelling of 1354121577677 in words is "one trillion, three hundred fifty-four billion, one hundred twenty-one million, five hundred seventy-seven thousand, six hundred seventy-seven".