1386710136 has 192 divisors, whose sum is σ = 4548960000. Its totient is φ = 372791808.

The previous prime is 1386710119. The next prime is 1386710141. The reversal of 1386710136 is 6310176831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1386710136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1713700 + ... + 1714508.

It is an arithmetic number, because the mean of its divisors is an integer number (23692500).

Almost surely, 2^1386710136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386710136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274480000).

1386710136 is an abundant number, since it is smaller than the sum of its proper divisors (3162249864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386710136 is a wasteful number, since it uses less digits than its factorization.

1386710136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1386710136 is about 37238.5571149044. The cubic root of 1386710136 is about 1115.1378665483.

Adding to 1386710136 its reverse (6310176831), we get a palindrome (7696886967).

The spelling of 1386710136 in words is "one billion, three hundred eighty-six million, seven hundred ten thousand, one hundred thirty-six".