1320521145134 has 16 divisors (see below), whose sum is σ = 1981875699456. Its totient is φ = 659896011000.

The previous prime is 1320521145101. The next prime is 1320521145161. The reversal of 1320521145134 is 4315411250231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320521145134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32178689 + ... + 32219699.

It is an arithmetic number, because the mean of its divisors is an integer number (123867231216).

Almost surely, 2^{1320521145134} is an apocalyptic number.

1320521145134 is a deficient number, since it is larger than the sum of its proper divisors (661354554322).

1320521145134 is a wasteful number, since it uses less digits than its factorization.

1320521145134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49511.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 1320521145134 its reverse (4315411250231), we get a palindrome (5635932395365).

The spelling of 1320521145134 in words is "one trillion, three hundred twenty billion, five hundred twenty-one million, one hundred forty-five thousand, one hundred thirty-four".