133105131154404 has 36 divisors (see below), whose sum is σ = 336477511830460. Its totient is φ = 44366093202240.

The previous prime is 133105131154379. The next prime is 133105131154421. The reversal of 133105131154404 is 404451131501331.

It is a happy number.

133105131154404 is a `hidden beast` number, since 1 + 3 + 3 + 105 + 1 + 3 + 1 + 1 + 544 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11501580394404 + 121603550760000 = 3391398^2 + 11027400^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 94451227 + ... + 95850114.

Almost surely, 2^{133105131154404} is an apocalyptic number.

It is an amenable number.

133105131154404 is an abundant number, since it is smaller than the sum of its proper divisors (203372380676056).

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

133105131154404 is a wasteful number, since it uses less digits than its factorization.

133105131154404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190320780 (or 190320775 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 133105131154404 its reverse (404451131501331), we get a palindrome (537556262655735).

The spelling of 133105131154404 in words is "one hundred thirty-three trillion, one hundred five billion, one hundred thirty-one million, one hundred fifty-four thousand, four hundred four".