133474428437280 has 96 divisors (see below), whose sum is σ = 480507942386304. Its totient is φ = 30508440784896.

The previous prime is 133474428437257. The next prime is 133474428437291. The reversal of 133474428437280 is 82734824474331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19862262777 + ... + 19862269496.

It is an arithmetic number, because the mean of its divisors is an integer number (5005291066524).

Almost surely, 2^{133474428437280} is an apocalyptic number.

133474428437280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133474428437280 is an abundant number, since it is smaller than the sum of its proper divisors (347033513949024).

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

133474428437280 is a wasteful number, since it uses less digits than its factorization.

133474428437280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39724532298 (or 39724532290 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 60.

The spelling of 133474428437280 in words is "one hundred thirty-three trillion, four hundred seventy-four billion, four hundred twenty-eight million, four hundred thirty-seven thousand, two hundred eighty".