1359874666 has 4 divisors (see below), whose sum is σ = 2039812002. Its totient is φ = 679937332.

The previous prime is 1359874651. The next prime is 1359874667. The reversal of 1359874666 is 6664789531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6664789531 = 17 ⋅392046443.

It can be written as a sum of positive squares in only one way, i.e., 1127952225 + 231922441 = 33585^2 + 15229^2 .

It is a super-2 number, since 2×1359874666² = 3698518214457223112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1359874667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339968665 + ... + 339968668.

Almost surely, 2^1359874666 is an apocalyptic number.

1359874666 is a deficient number, since it is larger than the sum of its proper divisors (679937336).

1359874666 is an equidigital number, since it uses as much as digits as its factorization.

1359874666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679937335.

The product of its digits is 6531840, while the sum is 55.

The square root of 1359874666 is about 36876.4784923940. The cubic root of 1359874666 is about 1107.8976156226.

The spelling of 1359874666 in words is "one billion, three hundred fifty-nine million, eight hundred seventy-four thousand, six hundred sixty-six".