1331235254142 has 48 divisors (see below), whose sum is σ = 3055138718112. Its totient is φ = 417488117760.

The previous prime is 1331235254101. The next prime is 1331235254179. The reversal of 1331235254142 is 2414525321331.

1331235254142 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 23 + 52 + 541 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1331235254097 and 1331235254106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27198 + ... + 1631934.

It is an arithmetic number, because the mean of its divisors is an integer number (63648723294).

Almost surely, 2^{1331235254142} is an apocalyptic number.

1331235254142 is an abundant number, since it is smaller than the sum of its proper divisors (1723903463970).

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

1331235254142 is a wasteful number, since it uses less digits than its factorization.

1331235254142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607473 (or 1607470 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 1331235254142 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-five million, two hundred fifty-four thousand, one hundred forty-two".