133470496240 has 80 divisors (see below), whose sum is σ = 326984785920. Its totient is φ = 50526685440.

The previous prime is 133470496231. The next prime is 133470496267. The reversal of 133470496240 is 42694074331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 1462017 + ... + 1550623.

It is an arithmetic number, because the mean of its divisors is an integer number (4087309824).

Almost surely, 2^133470496240 is an apocalyptic number.

133470496240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133470496240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163492392960).

133470496240 is an abundant number, since it is smaller than the sum of its proper divisors (193514289680).

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

133470496240 is a wasteful number, since it uses less digits than its factorization.

133470496240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89630 (or 89624 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 133470496240 in words is "one hundred thirty-three billion, four hundred seventy million, four hundred ninety-six thousand, two hundred forty".