131435450234442 has 24 divisors (see below), whose sum is σ = 284795228486340. Its totient is φ = 43808982953280.

The previous prime is 131435450234393. The next prime is 131435450234453. The reversal of 131435450234442 is 244432054534131.

It is a happy number.

131435450234442 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 3 + 545 + 0 + 23 + 44 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124934740211241 + 6500710023201 = 11177421^2 + 2549649^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235863267 + ... + 236419862.

Almost surely, 2^{131435450234442} is an apocalyptic number.

131435450234442 is an abundant number, since it is smaller than the sum of its proper divisors (153359778251898).

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

131435450234442 is a wasteful number, since it uses less digits than its factorization.

131435450234442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472298598 (or 472298595 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

The spelling of 131435450234442 in words is "one hundred thirty-one trillion, four hundred thirty-five billion, four hundred fifty million, two hundred thirty-four thousand, four hundred forty-two".