132656136123640 has 128 divisors (see below), whose sum is σ = 323474935734720. Its totient is φ = 48765898137600.

The previous prime is 132656136123491. The next prime is 132656136123653. The reversal of 132656136123640 is 46321631656231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102898230 + ... + 104179450.

Almost surely, 2^{132656136123640} is an apocalyptic number.

132656136123640 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 132656136123640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161737467867360).

132656136123640 is an abundant number, since it is smaller than the sum of its proper divisors (190818799611080).

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

132656136123640 is a wasteful number, since it uses less digits than its factorization.

132656136123640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284833 (or 1284829 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 49.

Adding to 132656136123640 its reverse (46321631656231), we get a palindrome (178977767779871).

The spelling of 132656136123640 in words is "one hundred thirty-two trillion, six hundred fifty-six billion, one hundred thirty-six million, one hundred twenty-three thousand, six hundred forty".