132717121520 has 80 divisors (see below), whose sum is σ = 313593955488. Its totient is φ = 52224184320.

The previous prime is 132717121519. The next prime is 132717121561. The reversal of 132717121520 is 25121717231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×132717121520² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4062692 + ... + 4095228.

Almost surely, 2^132717121520 is an apocalyptic number.

132717121520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132717121520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156796977744).

132717121520 is an abundant number, since it is smaller than the sum of its proper divisors (180876833968).

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

132717121520 is a wasteful number, since it uses less digits than its factorization.

132717121520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33378 (or 33372 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 132717121520 its reverse (25121717231), we get a palindrome (157838838751).

The spelling of 132717121520 in words is "one hundred thirty-two billion, seven hundred seventeen million, one hundred twenty-one thousand, five hundred twenty".