1369381437 has 16 divisors (see below), whose sum is σ = 2044692480. Its totient is φ = 905730336.

The previous prime is 1369381423. The next prime is 1369381439. The reversal of 1369381437 is 7341839631.

1369381437 is a `hidden beast` number, since 136 + 9 + 3 + 81 + 437 = 666.

It is not a de Polignac number, because 1369381437 - 2⁶ = 1369381373 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1369381392 and 1369381401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369381439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196248 + ... + 203105.

It is an arithmetic number, because the mean of its divisors is an integer number (127793280).

Almost surely, 2^1369381437 is an apocalyptic number.

It is an amenable number.

1369381437 is a deficient number, since it is larger than the sum of its proper divisors (675311043).

1369381437 is a wasteful number, since it uses less digits than its factorization.

1369381437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399489 (or 399483 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 1369381437 is about 37005.1541950577. The cubic root of 1369381437 is about 1110.4733627501.

The spelling of 1369381437 in words is "one billion, three hundred sixty-nine million, three hundred eighty-one thousand, four hundred thirty-seven".