133885776 has 40 divisors (see below), whose sum is σ = 357032704. Its totient is φ = 43188480.

The previous prime is 133885757. The next prime is 133885777. The reversal of 133885776 is 677588331.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133885777) 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, 43501 + ... + 46476.

Almost surely, 2^133885776 is an apocalyptic number.

133885776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133885776 is an abundant number, since it is smaller than the sum of its proper divisors (223146928).

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

133885776 is a wasteful number, since it uses less digits than its factorization.

133885776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90019 (or 90013 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 133885776 is about 11570.9021255907. The cubic root of 133885776 is about 511.5775527423.

The spelling of 133885776 in words is "one hundred thirty-three million, eight hundred eighty-five thousand, seven hundred seventy-six".