1076138388 has 72 divisors (see below), whose sum is σ = 2947669088. Its totient is φ = 329064768.

The previous prime is 1076138381. The next prime is 1076138411. The reversal of 1076138388 is 8838316701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1076138381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69231 + ... + 83337.

Almost surely, 2^1076138388 is an apocalyptic number.

1076138388 is a gapful number since it is divisible by the number (18) 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 1076138388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473834544).

1076138388 is an abundant number, since it is smaller than the sum of its proper divisors (1871530700).

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

1076138388 is a wasteful number, since it uses less digits than its factorization.

1076138388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14293 (or 14288 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1076138388 is about 32804.5482822123. The cubic root of 1076138388 is about 1024.7612810722.

The spelling of 1076138388 in words is "one billion, seventy-six million, one hundred thirty-eight thousand, three hundred eighty-eight".