1400066002 has 8 divisors (see below), whose sum is σ = 2172516300. Its totient is φ = 675893904.

The previous prime is 1400065999. The next prime is 1400066009. The reversal of 1400066002 is 2006600041.

It can be written as a sum of positive squares in 2 ways, for example, as 1397937321 + 2128681 = 37389^2 + 1459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1400066009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12069477 + ... + 12069592.

Almost surely, 2^1400066002 is an apocalyptic number.

1400066002 is a deficient number, since it is larger than the sum of its proper divisors (772450298).

1400066002 is a wasteful number, since it uses less digits than its factorization.

1400066002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24139100.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1400066002 is about 37417.4558461689. The cubic root of 1400066002 is about 1118.7065217355.

Adding to 1400066002 its reverse (2006600041), we get a palindrome (3406666043).

The spelling of 1400066002 in words is "one billion, four hundred million, sixty-six thousand, two".