1338106990 has 64 divisors (see below), whose sum is σ = 2684897280. Its totient is φ = 476087040.

The previous prime is 1338106969. The next prime is 1338107101. The reversal of 1338106990 is 996018331.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1007707 + ... + 1009033.

It is an arithmetic number, because the mean of its divisors is an integer number (41951520).

Almost surely, 2^1338106990 is an apocalyptic number.

1338106990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338106990 is an abundant number, since it is smaller than the sum of its proper divisors (1346790290).

1338106990 is a wasteful number, since it uses less digits than its factorization.

1338106990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 1338106990 is about 36580.1447509438. The cubic root of 1338106990 is about 1101.9543740847.

The spelling of 1338106990 in words is "one billion, three hundred thirty-eight million, one hundred six thousand, nine hundred ninety".