1400434343 has 16 divisors (see below), whose sum is σ = 1768104960. Its totient is φ = 1077429600.

The previous prime is 1400434339. The next prime is 1400434351. The reversal of 1400434343 is 3434340041.

It is a cyclic number.

It is not a de Polignac number, because 1400434343 - 2² = 1400434339 is a prime.

It is a super-2 number, since 2×1400434343² = 3922432698107683298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400434543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109028 + ... + 121193.

It is an arithmetic number, because the mean of its divisors is an integer number (110506560).

Almost surely, 2^1400434343 is an apocalyptic number.

1400434343 is a deficient number, since it is larger than the sum of its proper divisors (367670617).

1400434343 is a wasteful number, since it uses less digits than its factorization.

1400434343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230318.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1400434343 is about 37422.3775701117. The cubic root of 1400434343 is about 1118.8046193364.

Adding to 1400434343 its reverse (3434340041), we get a palindrome (4834774384).

The spelling of 1400434343 in words is "one billion, four hundred million, four hundred thirty-four thousand, three hundred forty-three".