131313526146 has 48 divisors (see below), whose sum is σ = 310693631040. Its totient is φ = 39751438560.

The previous prime is 131313526133. The next prime is 131313526189. The reversal of 131313526146 is 641625313131.

131313526146 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 35 + 2 + 614 + 6 = 666.

It is a super-2 number, since 2×131313526146² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131313526146.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142701 + ... + 531968.

It is an arithmetic number, because the mean of its divisors is an integer number (6472783980).

Almost surely, 2^131313526146 is an apocalyptic number.

131313526146 is an abundant number, since it is smaller than the sum of its proper divisors (179380104894).

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

131313526146 is a wasteful number, since it uses less digits than its factorization.

131313526146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675671 (or 675668 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 131313526146 its reverse (641625313131), we get a palindrome (772938839277).

The spelling of 131313526146 in words is "one hundred thirty-one billion, three hundred thirteen million, five hundred twenty-six thousand, one hundred forty-six".