133532154 has 36 divisors (see below), whose sum is σ = 336557754. Its totient is φ = 38151792.

The previous prime is 133532137. The next prime is 133532167. The reversal of 133532154 is 451235331.

133532154 is a `hidden beast` number, since 1 + 335 + 321 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 50083929 = 9135^2 + 7077^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 74817 + ... + 76580.

Almost surely, 2^133532154 is an apocalyptic number.

133532154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133532154 is an abundant number, since it is smaller than the sum of its proper divisors (203025600).

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

133532154 is a wasteful number, since it uses less digits than its factorization.

133532154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151419 (or 151409 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 133532154 is about 11555.6113641815. The cubic root of 133532154 is about 511.1267590707.

Adding to 133532154 its reverse (451235331), we get a palindrome (584767485).

It can be divided in two parts, 1335 and 32154, that added together give a square (33489 = 183²).

The spelling of 133532154 in words is "one hundred thirty-three million, five hundred thirty-two thousand, one hundred fifty-four".