133012532 has 6 divisors (see below), whose sum is σ = 232771938. Its totient is φ = 66506264.

The previous prime is 133012489. The next prime is 133012541. The reversal of 133012532 is 235210331.

It can be written as a sum of positive squares in only one way, i.e., 104325796 + 28686736 = 10214^2 + 5356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16626563 + ... + 16626570.

It is an arithmetic number, because the mean of its divisors is an integer number (38795323).

Almost surely, 2^133012532 is an apocalyptic number.

It is an amenable number.

133012532 is a deficient number, since it is larger than the sum of its proper divisors (99759406).

133012532 is a wasteful number, since it uses less digits than its factorization.

133012532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33253137 (or 33253135 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133012532 is about 11533.1059129794. The cubic root of 133012532 is about 510.4629040781.

Adding to 133012532 its reverse (235210331), we get a palindrome (368222863).

The spelling of 133012532 in words is "one hundred thirty-three million, twelve thousand, five hundred thirty-two".