133451334 has 16 divisors (see below), whose sum is σ = 296558640. Its totient is φ = 44483760.

The previous prime is 133451323. The next prime is 133451369. The reversal of 133451334 is 433154331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133451298 and 133451307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235607 + ... + 1235714.

It is an arithmetic number, because the mean of its divisors is an integer number (18534915).

Almost surely, 2^133451334 is an apocalyptic number.

133451334 is an abundant number, since it is smaller than the sum of its proper divisors (163107306).

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

133451334 is a wasteful number, since it uses less digits than its factorization.

133451334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471332 (or 2471326 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 133451334 is about 11552.1138325416. The cubic root of 133451334 is about 511.0236188648.

The spelling of 133451334 in words is "one hundred thirty-three million, four hundred fifty-one thousand, three hundred thirty-four".