1400668714 has 16 divisors (see below), whose sum is σ = 2258640000. Its totient is φ = 649357344.

The previous prime is 1400668699. The next prime is 1400668721. The reversal of 1400668714 is 4178660041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390339 + ... + 393910.

It is an arithmetic number, because the mean of its divisors is an integer number (141165000).

Almost surely, 2^1400668714 is an apocalyptic number.

1400668714 is a deficient number, since it is larger than the sum of its proper divisors (857971286).

1400668714 is a wasteful number, since it uses less digits than its factorization.

1400668714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784317.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1400668714 is about 37425.5088676159. The cubic root of 1400668714 is about 1118.8670287197.

The spelling of 1400668714 in words is "one billion, four hundred million, six hundred sixty-eight thousand, seven hundred fourteen".