1349666600 has 24 divisors (see below), whose sum is σ = 3137975310. Its totient is φ = 539866560.

The previous prime is 1349666599. The next prime is 1349666609. The reversal of 1349666600 is 66669431.

It can be written as a sum of positive squares in 3 ways, for example, as 619910404 + 729756196 = 24898^2 + 27014^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1349666609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3373967 + ... + 3374366.

Almost surely, 2^1349666600 is an apocalyptic number.

1349666600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349666600 is an abundant number, since it is smaller than the sum of its proper divisors (1788308710).

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

1349666600 is a wasteful number, since it uses less digits than its factorization.

1349666600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748349 (or 6748340 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 1349666600 is about 36737.8088622607. The cubic root of 1349666600 is about 1105.1184601679.

The spelling of 1349666600 in words is "one billion, three hundred forty-nine million, six hundred sixty-six thousand, six hundred".