131251563652 has 96 divisors (see below), whose sum is σ = 271454561280. Its totient is φ = 54899940480.

The previous prime is 131251563647. The next prime is 131251563673. The reversal of 131251563652 is 256365152131.

It is a happy number.

It is a super-3 number, since 3×131251563652³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 8297583 + ... + 8313385.

It is an arithmetic number, because the mean of its divisors is an integer number (2827651680).

Almost surely, 2^131251563652 is an apocalyptic number.

It is an amenable number.

131251563652 is an abundant number, since it is smaller than the sum of its proper divisors (140202997628).

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

131251563652 is a wasteful number, since it uses less digits than its factorization.

131251563652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153 (or 16151 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The spelling of 131251563652 in words is "one hundred thirty-one billion, two hundred fifty-one million, five hundred sixty-three thousand, six hundred fifty-two".