1403640082 has 8 divisors (see below), whose sum is σ = 2267418636. Its totient is φ = 647833872.

The previous prime is 1403640059. The next prime is 1403640193. The reversal of 1403640082 is 2800463041.

It can be written as a sum of positive squares in 2 ways, for example, as 1177107481 + 226532601 = 34309^2 + 15051^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1403640082.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26993053 + ... + 26993104.

Almost surely, 2^1403640082 is an apocalyptic number.

1403640082 is a deficient number, since it is larger than the sum of its proper divisors (863778554).

1403640082 is a wasteful number, since it uses less digits than its factorization.

1403640082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53986172.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1403640082 is about 37465.1849321473. The cubic root of 1403640082 is about 1119.6576552531.

The spelling of 1403640082 in words is "one billion, four hundred three million, six hundred forty thousand, eighty-two".