1021440132334 has 4 divisors (see below), whose sum is σ = 1532160198504. Its totient is φ = 510720066166.

The previous prime is 1021440132289. The next prime is 1021440132343. The reversal of 1021440132334 is 4332310441201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255360033082 + ... + 255360033085.

It is an arithmetic number, because the mean of its divisors is an integer number (383040049626).

Almost surely, 2^{1021440132334} is an apocalyptic number.

1021440132334 is a deficient number, since it is larger than the sum of its proper divisors (510720066170).

1021440132334 is an equidigital number, since it uses as much as digits as its factorization.

1021440132334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510720066169.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1021440132334 its reverse (4332310441201), we get a palindrome (5353750573535).

The spelling of 1021440132334 in words is "one trillion, twenty-one billion, four hundred forty million, one hundred thirty-two thousand, three hundred thirty-four".