1388000700 has 216 divisors, whose sum is σ = 4666295088. Its totient is φ = 343848960.

The previous prime is 1388000687. The next prime is 1388000773. The reversal of 1388000700 is 70008831.

It is a super-3 number, since 3×1388000700³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1269354 + ... + 1270446.

It is an arithmetic number, because the mean of its divisors is an integer number (21603218).

Almost surely, 2^1388000700 is an apocalyptic number.

1388000700 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 1388000700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333147544).

1388000700 is an abundant number, since it is smaller than the sum of its proper divisors (3278294388).

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

1388000700 is a wasteful number, since it uses less digits than its factorization.

1388000700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1388000700 is about 37255.8814148854. The cubic root of 1388000700 is about 1115.4836995912.

The spelling of 1388000700 in words is "one billion, three hundred eighty-eight million, seven hundred", and thus it is an aban number.