1375476980 has 18 divisors (see below), whose sum is σ = 2888850006. Its totient is φ = 550124448.

The previous prime is 1375476959. The next prime is 1375476997. The reversal of 1375476980 is 896745731.

It can be written as a sum of positive squares in 3 ways, for example, as 698896 + 1374778084 = 836^2 + 37078^2 .

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 5 ways as a sum of consecutive naturals, for example, 161714 + ... + 170006.

It is an arithmetic number, because the mean of its divisors is an integer number (160491667).

Almost surely, 2^1375476980 is an apocalyptic number.

1375476980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375476980 is an abundant number, since it is smaller than the sum of its proper divisors (1513373026).

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

1375476980 is an frugal number, since it uses more digits than its factorization.

1375476980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16595 (or 8300 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1375476980 is about 37087.4234748115. The cubic root of 1375476980 is about 1112.1186115133.

The spelling of 1375476980 in words is "one billion, three hundred seventy-five million, four hundred seventy-six thousand, nine hundred eighty".