133912154 has 8 divisors (see below), whose sum is σ = 202818720. Its totient is φ = 66305916.

The previous prime is 133912153. The next prime is 133912199. The reversal of 133912154 is 451219331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (133912151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324824 + ... + 325235.

It is an arithmetic number, because the mean of its divisors is an integer number (25352340).

Almost surely, 2^133912154 is an apocalyptic number.

133912154 is a deficient number, since it is larger than the sum of its proper divisors (68906566).

133912154 is a wasteful number, since it uses less digits than its factorization.

133912154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650164.

The product of its digits is 3240, while the sum is 29.

The square root of 133912154 is about 11572.0419114346. The cubic root of 133912154 is about 511.6111473157.

The spelling of 133912154 in words is "one hundred thirty-three million, nine hundred twelve thousand, one hundred fifty-four".