1402740866 has 4 divisors (see below), whose sum is σ = 2104111302. Its totient is φ = 701370432.

The previous prime is 1402740847. The next prime is 1402740893. The reversal of 1402740866 is 6680472041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 749171641 + 653569225 = 27371^2 + 25565^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350685215 + ... + 350685218.

Almost surely, 2^1402740866 is an apocalyptic number.

1402740866 is a deficient number, since it is larger than the sum of its proper divisors (701370436).

1402740866 is an equidigital number, since it uses as much as digits as its factorization.

1402740866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701370435.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1402740866 is about 37453.1823213996. The cubic root of 1402740866 is about 1119.4185082033.

The spelling of 1402740866 in words is "one billion, four hundred two million, seven hundred forty thousand, eight hundred sixty-six".