133523565215542 has 8 divisors (see below), whose sum is σ = 202057784530056. Its totient is φ = 66170970372192.

The previous prime is 133523565215533. The next prime is 133523565215633. The reversal of 133523565215542 is 245512565325331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133523565215542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295406117508 + ... + 295406117959.

It is an arithmetic number, because the mean of its divisors is an integer number (25257223066257).

Almost surely, 2^{133523565215542} is an apocalyptic number.

133523565215542 is a deficient number, since it is larger than the sum of its proper divisors (68534219314514).

133523565215542 is a wasteful number, since it uses less digits than its factorization.

133523565215542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590812235582.

The product of its digits is 16200000, while the sum is 52.

The spelling of 133523565215542 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, five hundred sixty-five million, two hundred fifteen thousand, five hundred forty-two".