133484157 has 30 divisors (see below), whose sum is σ = 205377822. Its totient is φ = 83514288.

The previous prime is 133484149. The next prime is 133484159. The reversal of 133484157 is 751484331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123409881 + 10074276 = 11109^2 + 3174^2 .

It is not a de Polignac number, because 133484157 - 2³ = 133484149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133484159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2518543 + ... + 2518595.

Almost surely, 2^133484157 is an apocalyptic number.

It is an amenable number.

133484157 is a deficient number, since it is larger than the sum of its proper divisors (71893665).

133484157 is an frugal number, since it uses more digits than its factorization.

133484157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 79 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 133484157 is about 11553.5343942882. The cubic root of 133484157 is about 511.0655116726.

It can be divided in two parts, 1334 and 84157, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 133484157 in words is "one hundred thirty-three million, four hundred eighty-four thousand, one hundred fifty-seven".