133151004 has 72 divisors (see below), whose sum is σ = 407298528. Its totient is φ = 35804160.

The previous prime is 133151003. The next prime is 133151009. The reversal of 133151004 is 400151331.

133151004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133151003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11257 + ... + 19824.

It is an arithmetic number, because the mean of its divisors is an integer number (5656924).

Almost surely, 2^133151004 is an apocalyptic number.

133151004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133151004 is an abundant number, since it is smaller than the sum of its proper divisors (274147524).

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

133151004 is a wasteful number, since it uses less digits than its factorization.

133151004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31115 (or 31110 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 133151004 is about 11539.1075911441. The cubic root of 133151004 is about 510.6399808885.

The spelling of 133151004 in words is "one hundred thirty-three million, one hundred fifty-one thousand, four".