133875434 has 16 divisors (see below), whose sum is σ = 250364736. Its totient is φ = 52159200.

The previous prime is 133875407. The next prime is 133875439. The reversal of 133875434 is 434578331.

It is not an unprimeable number, because it can be changed into a prime (133875439) 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, 434507 + ... + 434814.

It is an arithmetic number, because the mean of its divisors is an integer number (15647796).

Almost surely, 2^133875434 is an apocalyptic number.

133875434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133875434 is a deficient number, since it is larger than the sum of its proper divisors (116489302).

133875434 is a wasteful number, since it uses less digits than its factorization.

133875434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869341.

The product of its digits is 120960, while the sum is 38.

The square root of 133875434 is about 11570.4552200853. The cubic root of 133875434 is about 511.5643801424.

The spelling of 133875434 in words is "one hundred thirty-three million, eight hundred seventy-five thousand, four hundred thirty-four".