1386037500 has 144 divisors (see below), whose sum is σ = 4220729856. Its totient is φ = 353320000.

The previous prime is 1386037483. The next prime is 1386037507. The reversal of 1386037500 is 57306831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386037507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 861697 + ... + 863303.

It is an arithmetic number, because the mean of its divisors is an integer number (29310624).

Almost surely, 2^1386037500 is an apocalyptic number.

1386037500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386037500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110364928).

1386037500 is an abundant number, since it is smaller than the sum of its proper divisors (2834692356).

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

1386037500 is a wasteful number, since it uses less digits than its factorization.

1386037500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1386037500 is about 37229.5245739185. The cubic root of 1386037500 is about 1114.9575348973.

It can be divided in two parts, 13860 and 37500, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 1386037500 in words is "one billion, three hundred eighty-six million, thirty-seven thousand, five hundred".