133496020 has 24 divisors (see below), whose sum is σ = 320390784. Its totient is φ = 45770016.

The previous prime is 133496009. The next prime is 133496023. The reversal of 133496020 is 20694331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 133496020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133496023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476632 + ... + 476911.

It is an arithmetic number, because the mean of its divisors is an integer number (13349616).

Almost surely, 2^133496020 is an apocalyptic number.

133496020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133496020 is an abundant number, since it is smaller than the sum of its proper divisors (186894764).

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

133496020 is a wasteful number, since it uses less digits than its factorization.

133496020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953559 (or 953557 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 133496020 is about 11554.0477755633. The cubic root of 133496020 is about 511.0806510238.

The spelling of 133496020 in words is "one hundred thirty-three million, four hundred ninety-six thousand, twenty".