1321425035534 has 8 divisors (see below), whose sum is σ = 1982917009440. Its totient is φ = 660452699056.

The previous prime is 1321425035527. The next prime is 1321425035543. The reversal of 1321425035534 is 4355305241231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 129902999 + ... + 129913170.

It is an arithmetic number, because the mean of its divisors is an integer number (247864626180).

Almost surely, 2^{1321425035534} is an apocalyptic number.

1321425035534 is a deficient number, since it is larger than the sum of its proper divisors (661491973906).

1321425035534 is a wasteful number, since it uses less digits than its factorization.

1321425035534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259818714.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1321425035534 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-five million, thirty-five thousand, five hundred thirty-four".