1338981170 has 8 divisors (see below), whose sum is σ = 2410166124. Its totient is φ = 535592464.

The previous prime is 1338981143. The next prime is 1338981173. The reversal of 1338981170 is 711898331.

It can be written as a sum of positive squares in 2 ways, for example, as 1335244681 + 3736489 = 36541^2 + 1933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1338981170² = 3585741147229137800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1338981173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66949049 + ... + 66949068.

Almost surely, 2^1338981170 is an apocalyptic number.

1338981170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338981170 is a deficient number, since it is larger than the sum of its proper divisors (1071184954).

1338981170 is a wasteful number, since it uses less digits than its factorization.

1338981170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133898124.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1338981170 is about 36592.0916319360. The cubic root of 1338981170 is about 1102.1942893240.

The spelling of 1338981170 in words is "one billion, three hundred thirty-eight million, nine hundred eighty-one thousand, one hundred seventy".