1400311412 has 12 divisors (see below), whose sum is σ = 2452746660. Its totient is φ = 699526656.

The previous prime is 1400311397. The next prime is 1400311421. The reversal of 1400311412 is 2141130041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 527345296 + 872966116 = 22964^2 + 29546^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 152237 + ... + 161172.

It is an arithmetic number, because the mean of its divisors is an integer number (204395555).

Almost surely, 2^1400311412 is an apocalyptic number.

It is an amenable number.

1400311412 is a deficient number, since it is larger than the sum of its proper divisors (1052435248).

1400311412 is a wasteful number, since it uses less digits than its factorization.

1400311412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314530 (or 314528 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1400311412 is about 37420.7350542450. The cubic root of 1400311412 is about 1118.7718819227.

Adding to 1400311412 its reverse (2141130041), we get a palindrome (3541441453).

The spelling of 1400311412 in words is "one billion, four hundred million, three hundred eleven thousand, four hundred twelve".