133153420 has 12 divisors (see below), whose sum is σ = 279622224. Its totient is φ = 53261360.

The previous prime is 133153409. The next prime is 133153453. The reversal of 133153420 is 24351331.

It is a junction number, because it is equal to n+sod(n) for n = 133153391 and 133153400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328816 + ... + 3328855.

It is an arithmetic number, because the mean of its divisors is an integer number (23301852).

Almost surely, 2^133153420 is an apocalyptic number.

133153420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133153420 is an abundant number, since it is smaller than the sum of its proper divisors (146468804).

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

133153420 is a wasteful number, since it uses less digits than its factorization.

133153420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657680 (or 6657678 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 133153420 is about 11539.2122781410. The cubic root of 133153420 is about 510.6430693587.

The spelling of 133153420 in words is "one hundred thirty-three million, one hundred fifty-three thousand, four hundred twenty".