1400203004 has 12 divisors (see below), whose sum is σ = 2462670000. Its totient is φ = 696583008.

The previous prime is 1400202971. The next prime is 1400203073. The reversal of 1400203004 is 4003020041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400203004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878729 + ... + 880320.

It is an arithmetic number, because the mean of its divisors is an integer number (205222500).

Almost surely, 2^1400203004 is an apocalyptic number.

It is an amenable number.

1400203004 is a deficient number, since it is larger than the sum of its proper divisors (1062466996).

1400203004 is a wasteful number, since it uses less digits than its factorization.

1400203004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759252 (or 1759250 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1400203004 is about 37419.2865244649. The cubic root of 1400203004 is about 1118.7430104991.

Adding to 1400203004 its reverse (4003020041), we get a palindrome (5403223045).

The spelling of 1400203004 in words is "one billion, four hundred million, two hundred three thousand, four".