133429458 has 16 divisors (see below), whose sum is σ = 267068736. Its totient is φ = 44441520.

The previous prime is 133429453. The next prime is 133429469. The reversal of 133429458 is 854924331.

It is not an unprimeable number, because it can be changed into a prime (133429451) 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, 235 + ... + 16337.

It is an arithmetic number, because the mean of its divisors is an integer number (16691796).

Almost surely, 2^133429458 is an apocalyptic number.

133429458 is an abundant number, since it is smaller than the sum of its proper divisors (133639278).

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

133429458 is a wasteful number, since it uses less digits than its factorization.

133429458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17489.

The product of its digits is 103680, while the sum is 39.

The square root of 133429458 is about 11551.1669540354. The cubic root of 133429458 is about 510.9956941693.

The spelling of 133429458 in words is "one hundred thirty-three million, four hundred twenty-nine thousand, four hundred fifty-eight".