1400123414 has 16 divisors (see below), whose sum is σ = 2233518000. Its totient is φ = 656377344.

The previous prime is 1400123411. The next prime is 1400123447. The reversal of 1400123414 is 4143210041.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186239 + ... + 193610.

It is an arithmetic number, because the mean of its divisors is an integer number (139594875).

Almost surely, 2^1400123414 is an apocalyptic number.

1400123414 is a deficient number, since it is larger than the sum of its proper divisors (833394586).

1400123414 is a wasteful number, since it uses less digits than its factorization.

1400123414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379967.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1400123414 is about 37418.2230203413. The cubic root of 1400123414 is about 1118.7218129910.

Adding to 1400123414 its reverse (4143210041), we get a palindrome (5543333455).

The spelling of 1400123414 in words is "one billion, four hundred million, one hundred twenty-three thousand, four hundred fourteen".