133751814 has 32 divisors (see below), whose sum is σ = 306099456. Its totient is φ = 38167200.

The previous prime is 133751797. The next prime is 133751861. The reversal of 133751814 is 418157331.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45489 + ... + 48339.

It is an arithmetic number, because the mean of its divisors is an integer number (9565608).

Almost surely, 2^133751814 is an apocalyptic number.

133751814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133751814 is an abundant number, since it is smaller than the sum of its proper divisors (172347642).

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

133751814 is a wasteful number, since it uses less digits than its factorization.

133751814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980.

The product of its digits is 10080, while the sum is 33.

The square root of 133751814 is about 11565.1119320135. Note that the first 3 decimals coincide. The cubic root of 133751814 is about 511.4068728691.

The spelling of 133751814 in words is "one hundred thirty-three million, seven hundred fifty-one thousand, eight hundred fourteen".