1366954980 has 48 divisors (see below), whose sum is σ = 3848886720. Its totient is φ = 362482048.

The previous prime is 1366954969. The next prime is 1366954997. The reversal of 1366954980 is 894596631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52899 + ... + 74378.

It is an arithmetic number, because the mean of its divisors is an integer number (80185140).

Almost surely, 2^1366954980 is an apocalyptic number.

1366954980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366954980 is an abundant number, since it is smaller than the sum of its proper divisors (2481931740).

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

1366954980 is a wasteful number, since it uses less digits than its factorization.

1366954980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127468 (or 127466 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 1366954980 is about 36972.3542663975. The cubic root of 1366954980 is about 1109.8170788583.

The spelling of 1366954980 in words is "one billion, three hundred sixty-six million, nine hundred fifty-four thousand, nine hundred eighty".