1376635445 has 16 divisors (see below), whose sum is σ = 1779397632. Its totient is φ = 1019441280.

The previous prime is 1376635439. The next prime is 1376635451. The reversal of 1376635445 is 5445366731.

It is an interprime number because it is at equal distance from previous prime (1376635439) and next prime (1376635451).

It is not a de Polignac number, because 1376635445 - 2¹² = 1376631349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1376635396 and 1376635405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189512 + ... + 196641.

It is an arithmetic number, because the mean of its divisors is an integer number (111212352).

Almost surely, 2^1376635445 is an apocalyptic number.

It is an amenable number.

1376635445 is a deficient number, since it is larger than the sum of its proper divisors (402762187).

1376635445 is a wasteful number, since it uses less digits than its factorization.

1376635445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386212.

The product of its digits is 907200, while the sum is 44.

The square root of 1376635445 is about 37103.0382179142. The cubic root of 1376635445 is about 1112.4307429848.

The spelling of 1376635445 in words is "one billion, three hundred seventy-six million, six hundred thirty-five thousand, four hundred forty-five".