1366371490 has 32 divisors (see below), whose sum is σ = 2690864064. Its totient is φ = 495416640.

The previous prime is 1366371467. The next prime is 1366371493. The reversal of 1366371490 is 941736631.

It is not an unprimeable number, because it can be changed into a prime (1366371493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20272 + ... + 56068.

It is an arithmetic number, because the mean of its divisors is an integer number (84089502).

Almost surely, 2^1366371490 is an apocalyptic number.

1366371490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1366371490 is a deficient number, since it is larger than the sum of its proper divisors (1324492574).

1366371490 is a wasteful number, since it uses less digits than its factorization.

1366371490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36162.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1366371490 is about 36964.4625282176. The cubic root of 1366371490 is about 1109.6591464861.

The spelling of 1366371490 in words is "one billion, three hundred sixty-six million, three hundred seventy-one thousand, four hundred ninety".