1532321012140 has 24 divisors (see below), whose sum is σ = 3218242124160. Its totient is φ = 612858309888.

The previous prime is 1532321012119. The next prime is 1532321012191. The reversal of 1532321012140 is 412101232351.

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, 4201500 + ... + 4551619.

It is an arithmetic number, because the mean of its divisors is an integer number (134093421840).

Almost surely, 2^{1532321012140} is an apocalyptic number.

1532321012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532321012140 is an abundant number, since it is smaller than the sum of its proper divisors (1685921112020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1532321012140 is a wasteful number, since it uses less digits than its factorization.

1532321012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761881 (or 8761879 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1532321012140 its reverse (412101232351), we get a palindrome (1944422244491).

The spelling of 1532321012140 in words is "one trillion, five hundred thirty-two billion, three hundred twenty-one million, twelve thousand, one hundred forty".