132156261631220 has 48 divisors (see below), whose sum is σ = 285267426565968. Its totient is φ = 51397157514240.

The previous prime is 132156261631201. The next prime is 132156261631291. The reversal of 132156261631220 is 22136162651231.

It can be written as a sum of positive squares in 8 ways, for example, as 5093453169424 + 127062808461796 = 2256868^2 + 11272214^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 274787339 + ... + 275267858.

It is an arithmetic number, because the mean of its divisors is an integer number (5943071386791).

Almost surely, 2^{132156261631220} is an apocalyptic number.

132156261631220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132156261631220 is an abundant number, since it is smaller than the sum of its proper divisors (153111164934748).

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

132156261631220 is a wasteful number, since it uses less digits than its factorization.

132156261631220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550055540 (or 550055538 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 132156261631220 in words is "one hundred thirty-two trillion, one hundred fifty-six billion, two hundred sixty-one million, six hundred thirty-one thousand, two hundred twenty".