140400212134 has 64 divisors (see below), whose sum is σ = 261070387200. Its totient is φ = 55471332384.

The previous prime is 140400212129. The next prime is 140400212149. The reversal of 140400212134 is 431212004041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28264119 + ... + 28269085.

It is an arithmetic number, because the mean of its divisors is an integer number (4079224800).

Almost surely, 2^140400212134 is an apocalyptic number.

140400212134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140400212134 is a deficient number, since it is larger than the sum of its proper divisors (120670175066).

140400212134 is an equidigital number, since it uses as much as digits as its factorization.

140400212134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934 (or 5908 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 140400212134 its reverse (431212004041), we get a palindrome (571612216175).

The spelling of 140400212134 in words is "one hundred forty billion, four hundred million, two hundred twelve thousand, one hundred thirty-four".