133531614 has 12 divisors (see below), whose sum is σ = 289318536. Its totient is φ = 44510532.

The previous prime is 133531609. The next prime is 133531621. The reversal of 133531614 is 416135331.

133531614 is a `hidden beast` number, since 1 + 335 + 316 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3709194 + ... + 3709229.

It is an arithmetic number, because the mean of its divisors is an integer number (24109878).

Almost surely, 2^133531614 is an apocalyptic number.

133531614 is an abundant number, since it is smaller than the sum of its proper divisors (155786922).

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

133531614 is a wasteful number, since it uses less digits than its factorization.

133531614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7418431 (or 7418428 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 133531614 is about 11555.5879988861. The cubic root of 133531614 is about 511.1260700761.

Adding to 133531614 its reverse (416135331), we get a palindrome (549666945).

The spelling of 133531614 in words is "one hundred thirty-three million, five hundred thirty-one thousand, six hundred fourteen".