133716245478 has 64 divisors (see below), whose sum is σ = 278875008000. Its totient is φ = 42716136960.

The previous prime is 133716245477. The next prime is 133716245501. The reversal of 133716245478 is 874542617331.

It is a self number, because there is not a number n which added to its sum of digits gives 133716245478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133716245473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2412723 + ... + 2467521.

It is an arithmetic number, because the mean of its divisors is an integer number (4357422000).

Almost surely, 2^133716245478 is an apocalyptic number.

133716245478 is an abundant number, since it is smaller than the sum of its proper divisors (145158762522).

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

133716245478 is a wasteful number, since it uses less digits than its factorization.

133716245478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55037.

The product of its digits is 3386880, while the sum is 51.

The spelling of 133716245478 in words is "one hundred thirty-three billion, seven hundred sixteen million, two hundred forty-five thousand, four hundred seventy-eight".