1403640104 has 8 divisors (see below), whose sum is σ = 2631825210. Its totient is φ = 701820048.

The previous prime is 1403640059. The next prime is 1403640193. The reversal of 1403640104 is 4010463041.

It can be written as a sum of positive squares in only one way, i.e., 1027202500 + 376437604 = 32050^2 + 19402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1403640104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87727499 + ... + 87727514.

Almost surely, 2^1403640104 is an apocalyptic number.

It is an amenable number.

1403640104 is a deficient number, since it is larger than the sum of its proper divisors (1228185106).

1403640104 is a wasteful number, since it uses less digits than its factorization.

1403640104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175455019 (or 175455015 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1403640104 is about 37465.1852257533. The cubic root of 1403640104 is about 1119.6576611027.

The spelling of 1403640104 in words is "one billion, four hundred three million, six hundred forty thousand, one hundred four".