131963605338 has 16 divisors (see below), whose sum is σ = 268906970016. Its totient is φ = 43157908560.

The previous prime is 131963605313. The next prime is 131963605339. The reversal of 131963605338 is 833506369131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131963605339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207489628 + ... + 207490263.

It is an arithmetic number, because the mean of its divisors is an integer number (16806685626).

Almost surely, 2^131963605338 is an apocalyptic number.

131963605338 is an abundant number, since it is smaller than the sum of its proper divisors (136943364678).

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

131963605338 is a wasteful number, since it uses less digits than its factorization.

131963605338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414979949.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 131963605338 in words is "one hundred thirty-one billion, nine hundred sixty-three million, six hundred five thousand, three hundred thirty-eight".