131334249402 has 24 divisors (see below), whose sum is σ = 289222420500. Its totient is φ = 43060409280.

The previous prime is 131334249401. The next prime is 131334249407. The reversal of 131334249402 is 204942433131.

131334249402 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 3 + 4 + 249 + 402 = 666.

131334249402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128077378641 + 3256870761 = 357879^2 + 57069^2 .

It is not an unprimeable number, because it can be changed into a prime (131334249401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59805027 + ... + 59807222.

Almost surely, 2^131334249402 is an apocalyptic number.

131334249402 is an abundant number, since it is smaller than the sum of its proper divisors (157888171098).

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

131334249402 is a wasteful number, since it uses less digits than its factorization.

131334249402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119612318 (or 119612315 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 131334249402 in words is "one hundred thirty-one billion, three hundred thirty-four million, two hundred forty-nine thousand, four hundred two".