1377355345 has 8 divisors (see below), whose sum is σ = 1724688576. Its totient is φ = 1053976176.

The previous prime is 1377355339. The next prime is 1377355349. The reversal of 1377355345 is 5435537731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1377355345 - 2¹¹ = 1377353297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377355349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5988387 + ... + 5988616.

It is an arithmetic number, because the mean of its divisors is an integer number (215586072).

Almost surely, 2^1377355345 is an apocalyptic number.

It is an amenable number.

1377355345 is a deficient number, since it is larger than the sum of its proper divisors (347333231).

1377355345 is a wasteful number, since it uses less digits than its factorization.

1377355345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11977031.

The product of its digits is 661500, while the sum is 43.

The square root of 1377355345 is about 37112.7383117980. The cubic root of 1377355345 is about 1112.6246213128.

The spelling of 1377355345 in words is "one billion, three hundred seventy-seven million, three hundred fifty-five thousand, three hundred forty-five".