1400143464 has 48 divisors (see below), whose sum is σ = 3817534500. Its totient is φ = 463578624.

The previous prime is 1400143463. The next prime is 1400143483. The reversal of 1400143464 is 4643410041.

It can be written as a sum of positive squares in 2 ways, for example, as 1386966564 + 13176900 = 37242^2 + 3630^2 .

It is not an unprimeable number, because it can be changed into a prime (1400143463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54529 + ... + 75984.

Almost surely, 2^1400143464 is an apocalyptic number.

It is an amenable number.

1400143464 is an abundant number, since it is smaller than the sum of its proper divisors (2417391036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400143464 is a wasteful number, since it uses less digits than its factorization.

1400143464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130674 (or 130667 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1400143464 is about 37418.4909369686. The cubic root of 1400143464 is about 1118.7271530596.

The spelling of 1400143464 in words is "one billion, four hundred million, one hundred forty-three thousand, four hundred sixty-four".